Clayton, G. E., & Gary E. Clayton. Economics: Principles and Practices, Reading Essentials and Note-Taking guide student workbook. New York: Glencoe/McGraw-Hill.
Chicago Style CitationClayton, Gary E., i Gary E. Clayton. Economics: Principles and Practices, Reading Essentials and Note-Taking Guide Student Workbook. New York: Glencoe/McGraw-Hill.
Cita MLAClayton, Gary E., i Gary E. Clayton. Economics: Principles and Practices, Reading Essentials and Note-Taking Guide Student Workbook. New York: Glencoe/McGraw-Hill.
Atenció: Aquestes cites poden no estar 100% correctes.