APA aipamena

Mayer, M. (1968). Diploma: International schools and university entrances. Twentieth Century Fund.

Chicago Style aipamena

Mayer, Martin. Diploma: International Schools and University Entrances. New York: Twentieth Century Fund, 1968.

MLA aipamena

Mayer, Martin. Diploma: International Schools and University Entrances. Twentieth Century Fund, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.