PETERSON, N. A. (1989). Student workbook to accompany McConnell-Brue: Contemporary labor economics.-- Ed.2. McGraw-Hill.
Dyfyniad Arddull ChicagoPETERSON, Norris A. Student Workbook to Accompany McConnell-Brue: Contemporary Labor Economics.-- Ed.2. New York: McGraw-Hill, 1989.
Dyfyniad MLAPETERSON, Norris A. Student Workbook to Accompany McConnell-Brue: Contemporary Labor Economics.-- Ed.2. McGraw-Hill, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.