APA aipamena

(1957). Vol. 55, № 2; OiL and Gas journal. 1957.

Chicago Style aipamena

Vol. 55, № 2; OiL and Gas Journal. 1957, 1957.

MLA aipamena

Vol. 55, № 2; OiL and Gas Journal. 1957, 1957.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.