APA (7th ed.) Zitazioa

(1977). Library community services / [by Therese Correy, assisted by Paul N. Clingen, John W. Perkins].

Chicago Style (17th ed.) Zitazioa

Library Community Services / [by Therese Correy, Assisted by Paul N. Clingen, John W. Perkins]. 1977.

MLA (9th ed.) Zitazioa

Library Community Services / [by Therese Correy, Assisted by Paul N. Clingen, John W. Perkins]. 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.