Hudson, Ray
Production, places and environment : changing perspectives in economic geography
Prentice-Hall, 2000
Buku Teks
Pounds, Norman J. G.
World geography
Silver Burdett, 1980
Buku Teks SO
Wheeler, James O.
Economic geography
John Wiley & Sons, 1986
Buku Teks SO
Alexander, John W.
Economic geography
Prentice-Hall, 1979
Buku Teks SO
Hartshorn, Truman Asa
Economic geography
Prentice-Hall, 1988
Buku Teks SO