Berry, B. J. L., Conkling, E. C., & Ray, D. M. (1987). Economic geography: Resource use, locational choices, and regional specialization in the global economy. Prentice-Hall.
Chicago-viite (17. p.)Berry, Brian Joe Lobley, Edgar C. Conkling, ja D. Michael Ray. Economic Geography: Resource Use, Locational Choices, and Regional Specialization in the Global Economy. Englewood Cliffs, New Jersey: Prentice-Hall, 1987.
MLA-viite (9. p.)Berry, Brian Joe Lobley, et al. Economic Geography: Resource Use, Locational Choices, and Regional Specialization in the Global Economy. Prentice-Hall, 1987.
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