APA aipamena

Arms, K. (1990). Evironmental science. Philadelphia: Saunders College Publishing.

Chicago Style aipamena

Arms, Karen. Evironmental Science. Philadelphia: Saunders College Publishing, 1990.

MLA aipamena

Arms, Karen. Evironmental Science. Philadelphia: Saunders College Publishing, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.