1, books. A kind of book is a reference book that arranges fragments, whole articles or whole works in ancient books according to categories or rhymes and is used to retrieve, quote, collate or compile classic documents.
2. Political books. It is a special work to record the evolution and changes of laws and regulations and the development of politics, economy and culture, and it is a category of historical works-the special history of laws and regulations. Because it has the nature of data compilation, it is generally considered as a type of reference book.
3. encyclopedia. It is a large-scale reference book that comprehensively and systematically introduces the comparative scientific knowledge of literature. It collects all kinds of specialized nouns and terms, arranges them in the form of dictionaries, and explains them in detail, which plays a role in knowledge collection.
4. Yearbook. It is a continuous publication, which systematically collects important current affairs documents, subject progress and various statistical data of the year and is published once a year. Including annual publications, annual reports, etc.
5. Manual. It is a reference book, which collects 10,000 documents or professional knowledge that need to be consulted frequently for readers to consult at any time. It is usually a concise summary of the basic knowledge of a profession or a certain aspect, as well as some basic formulas, charts, data, rules and regulations. , strong practicality.
6. bibliography. Also known as the "catalogue", that is, the book catalogue, is a tool to reveal and record a number of related documents. It records the basic characteristics of documents and arranges them in a certain order (mainly classification).
7. Index. Also known as general inspection, lead inspection, preparation inspection, etc. , is a reference book for extracting and sorting out the specific contents of one or more books and periodicals, such as words, sentences, names, place names, titles, themes, etc. , and indicate the source for reference.
Reference books are documents specially designed for finding knowledge and information. It systematically collects certain information and arranges it in a specific way for reference when necessary.
According to the basic nature and use function, reference books can be divided into retrieval reference books and reference reference books (American reference book expert Gates called them control-retrieval reference books and information reference books, information: control and access, information source). In addition, it can be divided according to standards such as language, subject content and scale.
Source: Baidu Encyclopedia: Reference Book