Hartshorn, T. A. (2004). Economic geography. Prentice-Hall.
Chicagoスタイル(17版)引用形式Hartshorn, Truman A. Economic Geography. New Delhi: Prentice-Hall, 2004.
MLA(9版)引用形式Hartshorn, Truman A. Economic Geography. Prentice-Hall, 2004.
警告: この引用は必ずしも正確ではありません.