Gregory, K. (1973). Drainage basin form and process: A geomorphological approach. Arnold.
Čikaški stil citiranja (17. izdanje)Gregory, K.J. Drainage Basin Form and Process: A Geomorphological Approach. London: Arnold, 1973.
MLA način citiranja (9. izdanje)Gregory, K.J. Drainage Basin Form and Process: A Geomorphological Approach. Arnold, 1973.
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