Schiller, B. R. (2014). Essentials of Economics. Boston, MA: McGraw-Hill.
Dyfyniad Arddull ChicagoSchiller, Bradley R. Essentials of Economics. Boston, MA: McGraw-Hill, 2014.
Dyfyniad MLASchiller, Bradley R. Essentials of Economics. Boston, MA: McGraw-Hill, 2014.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.