@book{412,
	author = {Stevenson, William J.},
	title = {Operations management with student dvd and power web /},
	publisher = {McGraw-Hill/Irwin,},
	year = {2006.},
	address = {New York},
	edition = {8th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0072971223/chopaconline-2}
}