McGraw-Hill dictionary of earth science
McGraw-Hill, 2003
Buku Referensi
Jakarta : IReSES dan LAPAN, 2006,
Majalah, Jurnal, Buletin
Gamow, George
The American Library, 1965
Buku Teks
Williams, Peter J
Longman, 1982
Buku Teks
Gregory, Kenneth J., author
Sage , 2010
Buku Teks