Answer to Question #116274 in English for Keolebogile

Question

APA and Harvard style both refer to
1.call number
2.library classification systems
3.formats for documenting the sources used for a paper/essay

Answer 1

APA and Harvard style both refer to formats for documenting the sources used for a paper and essay. These styles comprise the rules for text formatting, as well as organizing of the list of references and in-text citation of different kinds of sources including books, journals, web-pages, figures, etc.