PETTERSON, N. A. (1989). Student Workbook to Accompany McConnell-Brue Contemporary Labor Economics. McGraw-Hill Publishing Company.
Chicago Style (17. basım) AtıfPETTERSON, Norris A. Student Workbook to Accompany McConnell-Brue Contemporary Labor Economics. McGraw-Hill Publishing Company, 1989.
MLA (8th ed.) AtıfPETTERSON, Norris A. Student Workbook to Accompany McConnell-Brue Contemporary Labor Economics. McGraw-Hill Publishing Company, 1989.
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