APA aipamena

Murck, B. W. (1999). Geology today: Understanding our planet. New York: John Wiley.

Chicago Style aipamena

Murck, Barbara W. Geology Today: Understanding Our Planet. New York: John Wiley, 1999.

MLA aipamena

Murck, Barbara W. Geology Today: Understanding Our Planet. New York: John Wiley, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.