Ross, C. C. (1947). Measurement in today's schools (2d ed.). s.n.
Chicago (17e ed.) BronvermeldingRoss, Clay Campbell. Measurement in Today's Schools. 2d ed. New York: s.n, 1947.
MLA (9e ed.) BronvermeldingRoss, Clay Campbell. Measurement in Today's Schools. 2d ed. s.n, 1947.
Let op: Deze citaties zijn niet altijd 100% accuraat.