Clayton, G. E., & Giesbrecht, M. G. (1997). A guide to everyday economic statistics (4th ed.). McGraw-Hill.
Chicago Style (17. basım) AtıfClayton, Gary E., ve Martin Gerhard Giesbrecht. A Guide to Everyday Economic Statistics. 4th ed. New York: McGraw-Hill, 1997.
MLA (9th ed.) AtıfClayton, Gary E., ve Martin Gerhard Giesbrecht. A Guide to Everyday Economic Statistics. 4th ed. McGraw-Hill, 1997.
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