@book{696,
	author = {LEFTWICH, RICHARD H. and ECKERT, ROSS D.},
	title = {SISTEMA DE PRECIOS Y ASIGNACION DE RECURSOS/ },
	publisher = {MCGRAW-HILL},
	year = {\\\\},
	address = {MEXICO: },
	edition = {4},
	note = {INCLUYE INDICE.}
}