Hartshorn, T. A., & Alexander, J. W. (1988). Economic geography (3rd ed.). Prentice Hall.
芝加哥风格引文Hartshorn, Truman A., 与 John W. Alexander. Economic Geography. 3rd ed. Englewood Cliffs, N.J. ; New Delhi: Prentice Hall, 1988.
MLA引文Hartshorn, Truman A., 与 John W. Alexander. Economic Geography. 3rd ed. Prentice Hall, 1988.
警告:这些引文格式不一定是100%准确.