@book{6767,
	author = {Cooper, Donald R. and Schindler, Pamela S.},
	title = {Business research methods /},
	publisher = {McGraw-Hill,},
	year = {c2014.},
	series = {The Tata McGraw-Hill/Irwin Series in operations and decision sciences.},
	address = {New York :},
	edition = {12th ed.}
}