Sayers, W. C. B. (1947). Manual of classification for librarians and bibliographers. "Published later as manual of classification for librarians (2nd ed.).
Chicago Edition CitationSayers, W. C. Berwick. Manual of Classification for Librarians and Bibliographers. "Published Later as Manual of Classification for Librarians. 2nd ed. 1947.
MLA Edition CitationSayers, W. C. Berwick. Manual of Classification for Librarians and Bibliographers. "Published Later as Manual of Classification for Librarians. 2nd ed. 1947.
Warning: These citations may not always be 100% accurate.