World geography
edited by Otis W. Freeman and John W. Morris
McGraw-Hill, 1958
 Buku Teks SO
Israel, Saul
World geography today
Holt, Rinehart and Winston, 1980
 Buku Teks SO
Blij, Harm J.. de
Geography of the world: international student version
John Wiley & Sons, 2010
 Buku Teks SO
Bradshaw, Michael
Contemporary world regional geography : global connections local voices
McGraw-Hill, 2012
 Buku Teks SO
Wheeler, Jesse H.
Regional geography of the world an introduction survey / Jesse H. Wheeler, J. Trenton Kostbade, Richard S. Thoman
Henry Holt , 1960
 Buku Teks SO