@book{167611,
	author = {Cooper, Donald R. and Schindler, Pamela S},
	title = {Business research methods /},
	publisher = {McGraw-Hill Education,},
	year = {2014.},
	series = {The McGraw-Hill/Irwin series in operations and decision sciences.},
	address = {New York, NY :},
	edition = {12th ed.},
	note = {Includes index.}
}