Παραπομπή APA

Easterbrook, D. J. (1999). Surface processes and landforms (2nd ed.). Upper Saddle River, N.J.: Prentice-Hall.

Παραπομπή Chicago Style

Easterbrook, Don J. Surface Processes and Landforms. 2nd ed. Upper Saddle River, N.J.: Prentice-Hall, 1999.

Παραπομπή MLA

Easterbrook, Don J. Surface Processes and Landforms. 2nd ed. Upper Saddle River, N.J.: Prentice-Hall, 1999.

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