APA aipamena

(1974). Vol. 69, № 1; Economic Geology. 1974.

Chicago Style aipamena

Vol. 69, № 1; Economic Geology. 1974, 1974.

MLA aipamena

Vol. 69, № 1; Economic Geology. 1974, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.