@book{11036,
	author = {Gravetter, Frederick J. and Forzano, Lori-Ann B.},
	title = {Research methods for the behavioral sciences /},
	publisher = {Cengage Learning Asia Pte Ltd.,},
	year = {©2017.},
	address = {Singapore :},
	edition = {Fifth edition},
	note = {Includes bibliographic references and index}
}