एपीए उद्धरण

Ritter, D. F., & Kochel, R. C. M. (2002). Process geomorphology (4th ed.). Mc Graw hill.

शिकागो स्टाइल उद्धरण

Ritter, Dale F., और R. Craig Miller Kochel. Process Geomorphology. 4th ed. Boston: Mc Graw hill, 2002.

एमएलए उद्धरण

Ritter, Dale F., और R. Craig Miller Kochel. Process Geomorphology. 4th ed. Mc Graw hill, 2002.