APA (7th ed.) Zitazioa
OCLC, ebrary, Inc, & Eden, B. L. (2011). OCLC systems & services: International digital library perpsectives. Emerald.
Chicago Style (17th ed.) Zitazioa
OCLC, Inc ebrary, eta Bradford Lee Eden. OCLC Systems & Services: International Digital Library Perpsectives. [Bradford, UK]: Emerald, 2011.
MLA (9th ed.) Zitazioa
OCLC, et al. OCLC Systems & Services: International Digital Library Perpsectives. Emerald, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.