APA aipamena

McColvin, L. R. (1951). Public library extension. Unesco.

Chicago Style aipamena

McColvin, Lionel Roy. Public Library Extension. Paris: Unesco, 1951.

MLA aipamena

McColvin, Lionel Roy. Public Library Extension. Unesco, 1951.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.