Citazione APA

Sayers W. C. Berwick. (1964). Manual of classification for librarians and bibliographers."Published later as manual of classification for librarians" (3rd ed.).

Stile di citazione Chicago

Sayers W. C. Berwick. Manual of Classification for Librarians and Bibliographers."Published Later as Manual of Classification for Librarians". 3rd ed. 1964.

Citazione MLA

Sayers W. C. Berwick. Manual of Classification for Librarians and Bibliographers."Published Later as Manual of Classification for Librarians". 3rd ed. 1964.