Hartwick, J. M., & Olewiler, N. D. (1998). The Economics of natural resource use (2nd ed.). Addison-Wesley.
Chicago Style (17. basım) AtıfHartwick, John M., ve Nancy D. Olewiler. The Economics of Natural Resource Use. 2nd ed. Reading, Mass: Addison-Wesley, 1998.
MLA (9th ed.) AtıfHartwick, John M., ve Nancy D. Olewiler. The Economics of Natural Resource Use. 2nd ed. Addison-Wesley, 1998.
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