Stokes, William Lee, 1915-
Essentials of earth history: : an introduction to historical geology
Prentice-Hall, 1966
 Buku Teks
Stokes, William Lee, 1915-
Essentials oh history an introduction to historical geology
Prentice-Hall, 1962
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Woodford, A.O.
Historical geology
W.H. Freeman, 1965
 Buku Teks SO
Tarbuck, Edward J.
The earth : an introduction to physical geology
Maxwell Macmillan, 1993
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Holmes, D.C.
Introduction to college geology
Macmillan, 1960
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