APA aipamena

Montgomery, C. W. (2003). Environmental geology. McGraw-Hil.

Chicago Style aipamena

Montgomery, Carla W. Environmental Geology. McGraw-Hil, 2003.

MLA aipamena

Montgomery, Carla W. Environmental Geology. McGraw-Hil, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.