APA aipamena

Douglas, I., & Spencer, T. (1982). Applied geomorphology in the tropics. Borntraeger.

Chicago Style aipamena

Douglas, Ian, and T. Spencer. Applied Geomorphology in the Tropics. Berlin: Borntraeger, 1982.

MLA aipamena

Douglas, Ian, and T. Spencer. Applied Geomorphology in the Tropics. Borntraeger, 1982.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.