Dutch, Steven I.
Earth science
Wadsworth, 1997
Buku Teks
Dalrymple, G. Brent
The age of the earth
Stanford Univ.Press, 2001
Buku Teks
Earth architecture
Artikel Jurnal
Prothero, Donald R.
Evolution of the Earth
McGraw-Hill Higher Education, 2004
Buku Referensi
Investigating the earth
Houghton Mifflin, 1967
Buku Teks SO