APA (7e ed.) Bronvermelding

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 (17e ed.) Bronvermelding

Berry, Brian Joe Lobley, Edgar C. Conkling, en D. Michael Ray. Economic Geography: Resource Use, Locational Choices, and Regional Specialization in the Global Economy. Englewood Cliffs, New Jersey: Prentice-Hall, 1987.

MLA (9e ed.) Bronvermelding

Berry, Brian Joe Lobley, et al. Economic Geography: Resource Use, Locational Choices, and Regional Specialization in the Global Economy. Prentice-Hall, 1987.