APA aipamena

Gyorg, Paul, & Paul Gyorgy. (1951). Vitamin methods v.2. Academic press.

Chicago Style aipamena

Gyorg, Paul, and Paul Gyorgy. Vitamin Methods V.2. Academic press, 1951.

MLA aipamena

Gyorg, et al. Vitamin Methods V.2. Academic press, 1951.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.