Cooke, R., & Warren, A. (1993). Desert geomorphology. Research Press.
Chicago Style aipamenaCooke, Ron, and Andrew.Goudie,Andrew Warren. Desert Geomorphology. New Delhi: Research Press, 1993.
MLA aipamenaCooke, Ron, and Andrew.Goudie,Andrew Warren. Desert Geomorphology. Research Press, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.