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
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Case studies in world geography : occupance and economy types
by Richard M. Highsmith, Jr.... [et.al.]
Prentice-Hall, 1961
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Political studies from spatial perspectives: Anglo-American essays on political geography
edited by, Alan D. Burnett and Peter J. Taylor
John Wiley & Sons, 1981
 Buku Teks