APA (7th ed.) Zitazioa

Gregory, K. (1973). Drainage basin form and process: A geomorphological approach. Arnold.

Chicago Style (17th ed.) Zitazioa

Gregory, K.J. Drainage Basin Form and Process: A Geomorphological Approach. London: Arnold, 1973.

MLA (9th ed.) Zitazioa

Gregory, K.J. Drainage Basin Form and Process: A Geomorphological Approach. Arnold, 1973.