(1990). Applied economics: Study guide. Colorado Springs, Colo.: Junior Achievement.
Dyfyniad Arddull ChicagoApplied Economics: Study Guide. Colorado Springs, Colo.: Junior Achievement, 1990.
Dyfyniad MLAApplied Economics: Study Guide. Colorado Springs, Colo.: Junior Achievement, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.