APA aipamena

(1969). Vol. 64, № 3; Economic Geology. 1969.

Chicago Style aipamena

Vol. 64, № 3; Economic Geology. 1969, 1969.

MLA aipamena

Vol. 64, № 3; Economic Geology. 1969, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.