@book{742994,
	author = {Demana, Franklin D. and Waits, Bert K.},
	title = {Matemáticas universitarias introductorias con nivelador Mymathlab : tutor interactivo online},
	publisher = {Pearson Education,},
	year = {2009.},
	address = {México :},
	edition = {1 edición}
}