Clayton, G. E., & Gary E. Clayton. Economics: Principles and Practices, Reading Essentials and Note-Taking guide student workbook. New York: Glencoe/McGraw-Hill.
Style de citation ChicagoClayton, Gary E., et Gary E. Clayton. Economics: Principles and Practices, Reading Essentials and Note-Taking Guide Student Workbook. New York: Glencoe/McGraw-Hill.
Style de citation MLAClayton, Gary E., et Gary E. Clayton. Economics: Principles and Practices, Reading Essentials and Note-Taking Guide Student Workbook. New York: Glencoe/McGraw-Hill.
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