Haggett, Peter
Geography : a modern synthesis
Harper & Row, 1975
Buku Teks
Boyce, Ronald Reed
Geographic perspectives on global problems : an introduction to geography
John Wiley & Sons, 1982
Buku Teks
Global change and challenge : geography for the 1990s / edited, Robert Bennet
Routledge, 1991
Buku Teks
De Blij, Harm J.
Physical geography of the global environment
John Wiley & Sons, 1993
Buku Teks
Stavrianos, Leften Stavros
A global history of man
Allyn and Bacon, 1967
Buku Teks