APA aipamena

Bell,K.G. (1980). THE INTERPRETATION OF IGNEOUS ROCKS. George Allen & Unwin.

Chicago Style aipamena

Bell,K.G. THE INTERPRETATION OF IGNEOUS ROCKS. George Allen & Unwin, 1980.

MLA aipamena

Bell,K.G. THE INTERPRETATION OF IGNEOUS ROCKS. George Allen & Unwin, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.