@book{41650,
	author = {Sax, Gilbert.},
	title = {Principles of educational and psychological measurement and evaluation /},
	publisher = {Wadsworth Pub. Co.,},
	year = {c1980.},
	address = {Belmont, Calif. :},
	edition = {Second edition.},
	note = {First ed. published in 1974 under title: Principles of educational measurement and evaluation.}
}