APA aipamena

DUFF MCL D. HOLMES PRINCIPLES OF PHYSICAL GEOLOGY. ELBS.

Chicago Style aipamena

DUFF MCL D. HOLMES PRINCIPLES OF PHYSICAL GEOLOGY. ELBS.

MLA aipamena

DUFF MCL D. HOLMES PRINCIPLES OF PHYSICAL GEOLOGY. ELBS.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.