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Record Citations
APA Citation
Ruffin, R. J., & Gregory, P. R. (1997). Principles of economics (6th ed.). New York: Addison-Wesley.
MLA CitationRuffin, Roy J., and Paul R Gregory. Principles of Economics. 6th ed. New York: Addison-Wesley, 1997.
Warning: These citations may not always be 100% accurate.