APA aipamena

Oppe, G. (1951). Chemistry. Steck Co..

Chicago Style aipamena

Oppe, Greta. Chemistry. Austin, Tex.: Steck Co., 1951.

MLA aipamena

Oppe, Greta. Chemistry. Steck Co., 1951.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.