@book{347249,
	author = {Porter,Bigley. and Porter, Lyman W.},
	title = {Motivation and work behavior /},
	publisher = {Irwin/McGraw-Hill,},
	year = {2003.},
	series = {Mcgraw-hill series in management.},
	address = {[S.l.] :},
	edition = {7th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0071131027/chopaconline-20}
}