@book{8667,
	author = {Hardman, Michael L. and Drew, Clifford J.; Egan, M. Winston.},
	title = {Human exceptionality : },
	publisher = {Cengage Learning Asia,},
	year = {c2014.},
	address = {Singapore :},
	edition = {11th},
	note = {Includes bibliographic references and index}
}