Easterbrook, Don J.
Surface processes and landforms / Donald J. Easterbrook
Macmillan Publishing Company, 1993
 Buku Teks SO
Anderson, Robert S. (Robert Stewart), 1952-
Geomorphology : the mechanics and chemistry of landscapes
Cambridge University Press, 2010
 Buku Teks
Geomorphology and archeological sites of Bujang Valley area, Malaysia
 Artikel Jurnal
Ritter, Dale F.
Process geomorphology
W.C. Brown, 1986
 Buku Teks SO
Small, R.J.
Geomorphology and hydrology / R.J. Small
Longman, 1993
 Buku Teks SO