SCHILLER, B. R., TANSEY, M. M., & ZIEGLER, L. (1989). Study guide for the microeconomy today.-- Ed.4. McGraw-Hill.
Dyfyniad Arddull ChicagoSCHILLER, Bradley R., Michael M. TANSEY, and Lawrence ZIEGLER. Study Guide for the Microeconomy Today.-- Ed.4. New York: McGraw-Hill, 1989.
Dyfyniad MLASCHILLER, Bradley R., et al. Study Guide for the Microeconomy Today.-- Ed.4. McGraw-Hill, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.