APA aipamena

Lundgren, L. W. (1999). Environmental geology (2nd ed.). Prentice-Hall of India.

Chicago Style aipamena

Lundgren, Lawrence W. Environmental Geology. 2nd ed. New Jersey: Prentice-Hall of India, 1999.

MLA aipamena

Lundgren, Lawrence W. Environmental Geology. 2nd ed. Prentice-Hall of India, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.