@book{7804,
	author = {Tussy, Alan S. and Gustafson, R. David, autor.},
	title = {Matemáticas básicas / },
	publisher = {Cengage Learning, },
	year = {2013},
	address = {México, D. F. : },
	edition = {Cuarta edición},
	note = {Contiene índice. }
}