APA aipamena

(1958). Vol. 56, № 52; OiL and Gas journal. 1958.

Chicago Style aipamena

Vol. 56, № 52; OiL and Gas Journal. 1958, 1958.

MLA aipamena

Vol. 56, № 52; OiL and Gas Journal. 1958, 1958.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.