Παραπομπή APA

Maltby, A. (1975). Sayers' manual of classification for librarians (5th ed.). Andre Deutsch.

Παραπομπή Chicago Style

Maltby, Arthur. Sayers' Manual of Classification for Librarians. 5th ed. London: Andre Deutsch, 1975.

Παραπομπή MLA

Maltby, Arthur. Sayers' Manual of Classification for Librarians. 5th ed. Andre Deutsch, 1975.