S. Bachri
Pusat Survai geologi Bandung, 2011
Artikel Jurnal
Skinner, Brian J.
John Wiley & Sons, 1987
Buku Teks
Press, Frank
W H Freeman , 1974
Buku Teks
Hamblin, W. Kenneth (William Kenneth), 1928-
Burgen Publishing, 1985
Buku Teks
Tarbuck, Edward J.
Maxwell Macmillan, 1993
Buku Teks