Hartshorn, T. A., & Alexander, J. W. (1987). Economic geography (3rd ed.). Prentice Hall.
Chicagoスタイル(17版)引用形式Hartshorn, Truman A., , John W. Alexander. Economic Geography. 3rd ed. Englewood Cliffs: Prentice Hall, 1987.
MLA(9版)引用形式Hartshorn, Truman A., , John W. Alexander. Economic Geography. 3rd ed. Prentice Hall, 1987.
警告: この引用は必ずしも正確ではありません.