Berry, B. J., Conkling, E. C., & Ray, D. M. (1987). Economic Geography. Prentice-Hall.
芝加哥风格引文Berry, Brian J.L, Edgar C. Conkling, 与 D. Michael Ray. Economic Geography. Englewood Cliffs: Prentice-Hall, 1987.
MLA引文Berry, Brian J.L, et al. Economic Geography. Prentice-Hall, 1987.
警告：这些引文格式不一定是100％准确.