APA (7. basım) Alıntı

Gregory, K. (1979). environmental processes; a: Physical geography perspective. Dawson.

Chicago Style (17. basım) Atıf

Gregory, K.J. Environmental Processes; a: Physical Geography Perspective. Kent: Dawson, 1979.

MLA (9th ed.) Atıf

Gregory, K.J. Environmental Processes; a: Physical Geography Perspective. Dawson, 1979.