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
Thatcher, W.S.
Economic geography
English University Press, 1957
 Buku Teks SO
Pounds, Norman J. G.
World geography
Silver Burdett, 1980
 Buku Teks SO