@book{203665,
	author = {Deitz, James E. and Southam, James L.},
	title = {Contemporary business mathematics for colleges},
	publisher = {Thomson/South-Western},
	year = {c2003.},
	address = {Mason, Ohio},
	edition = {13th ed., annotated instructor's ed.},
	note = {ESTE LIBRO INCLUYE UN DISCO}
}