Safrit, M. J. (1990). Introduction to measurement in physical education and exercise science (2nd ed.). Times Mirror/Mosby College Pub..
Chicago (17e ed.) BronvermeldingSafrit, Margaret J. Introduction to Measurement in Physical Education and Exercise Science. 2nd ed. St. Louis: Times Mirror/Mosby College Pub., 1990.
MLA (8e ed.) BronvermeldingSafrit, Margaret J. Introduction to Measurement in Physical Education and Exercise Science. 2nd ed. Times Mirror/Mosby College Pub., 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.