@book{4745,
	author = {Freund, John E.},
	title = {Introducción a las matemáticas de los negocios y la economía},
	publisher = {Editorial Prentice/Hall Internacional},
	year = {1974.},
	address = {Englewood Cliffs, N.J.},
	note = {Translation of : College mathematics with business applications.}
}