The Encyclopedia of structural geology and plate tectonics
edited by Carl K. Seyfert
Van Nostrand Reinhold, 1987
 Buku Referensi
Encyclopedia of applied psychology
editor-in-chief Charles D. Spielberger
Hershey, 2004
 Buku Teks
Skinner, Brian J.
Physical geology
John Wiley & Sons, 1987
 Buku Teks
Gilluly, James
Principles of geology
W.H. Freeman, 1959
 Buku Teks
Billings, Marland P.
Structural geology
Prentice-Hall, 1954
 Buku Teks