APA aipamena

OCLC. (1978). Annual report. OCLC.

Chicago Style aipamena

OCLC. Annual Report. [Columbus, Ohio]: OCLC, 1978.

MLA aipamena

OCLC. Annual Report. OCLC, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.