@book{227394,
	author = {Slater, Jeffrey},
	title = {Practical business math procedures},
	publisher = {McGraw-Hill/Irwin},
	year = {c2006.},
	address = {Boston},
	edition = {8th ed.},
	note = {ESTE LIBRO INCLUYE UN DISCO},
	url = {http://www.loc.gov/catdir/toc/ecip0724/2007031147.html}
}