@book{9172,
	author = {Tan, Soo T.},
	title = {Calculus :},
	publisher = {Cengage Learning,},
	year = {2010.},
	address = {[S.l.] :},
	edition = {1st ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0534465544/chopaconline-20}
}