Jackson, Richard H.
World regional geography : issues for today
John Wiley & Sons, 1982
 Buku Teks
Jackson, Richard H.
World regional geography: issues for today
Wiley, 1986
 Buku Teks
Jackson, Richard H.
World regional geography : issues for today
Wiley Eastern Limited, 1986
 Buku Teks
Latz, Gil
The power of place : world regional geography : study guide
John Wiley & Sons, 1996
 Buku Referensi
Heintzelman, Oliver H.
World regional geography
Prentice-Hall, 1960
 Buku Teks