McGraw-Hill, 2003
Buku Referensi
McGraw-Hill dictionary of earth science
McGraw-Hill, 2003
Buku Referensi
McGraw-Hill, 2002
Buku Referensi
Lawrence, Norman; Watts, Joanna; Harrington, Richard; Hope, Sally
Oxford University Press, 1997
Buku Referensi
editor in chief, Sybil P. Parker
McGraw-Hill, 1993
Buku Referensi