Harbaugh, John W.
Stratigraphy and the geologic time scale
WMC Brown, 1974
 Buku Teks
Study of the earth : readings in geological science
edited by J.F. White
Prentice-Hall, 1962
 Buku Teks
Wilson, Gilbert
Introduction to small-scale geological srtuctures
George Allen, 1982
 Buku Teks
Butler, B.C.M.
Interpretation of geological maps
Longman Scientific & Technical , 1988
 Buku Teks
McGraw-Hill encyclopedia of the geological sciences
edited by Sybil P. Parker
McGraw-Hill, 1988
 Buku Referensi