Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Clapp, V. W. (1956). Bibliographical Services throughout the World. First and Second Annual Reports and Third Annual Report. Bull Med Libr Assoc.
Chicago Style (17th ed.) Zitazioa
Clapp, Verner W. "Bibliographical Services Throughout the World. First and Second Annual Reports and Third Annual Report." Bull Med Libr Assoc 1956.
MLA (9th ed.) Zitazioa
Clapp, Verner W. "Bibliographical Services Throughout the World. First and Second Annual Reports and Third Annual Report." Bull Med Libr Assoc, 1956.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.