Sayers, W. C. B. (1964). Manual of classification for librarians and bibliographers. "Published later as manual of classification for librarians (3rd ed.).
Chicago Edition CitationSayers, W. C. Berwick. Manual of Classification for Librarians and Bibliographers. "Published Later as Manual of Classification for Librarians. 3rd ed. 1964.
Cita MLASayers, W. C. Berwick. Manual of Classification for Librarians and Bibliographers. "Published Later as Manual of Classification for Librarians. 3rd ed. 1964.
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