Strang, R. M. (1965). Understanding and helping the retarded reader. University of Arizona Press.
Chicago (17e ed.) BronvermeldingStrang, Ruth May. Understanding and Helping the Retarded Reader. Tucson: University of Arizona Press, 1965.
MLA (9e ed.) BronvermeldingStrang, Ruth May. Understanding and Helping the Retarded Reader. University of Arizona Press, 1965.
Let op: Deze citaties zijn niet altijd 100% accuraat.