Telecourse study guide for Economics U$A / [electronic resource] / developed by the Southern California Consortium ; writers, Michael Hiscox, Vicki Spandel.. — 3rd ed.. — New York : : W.W. Norton,, 1992.. — ix, 517 p. : : ill. ; 26 cm.
"A television course created and produced by The Educational Film Center and the WEFA Group (Wharton Econometric Forecasting Associates)."