Read, W. P. (1961). Knowledge and goodness. Extension Division, University of Utah.
Chicago (17e ed.) BronvermeldingRead, Waldemer P. Knowledge and Goodness. Salt Lake City: Extension Division, University of Utah, 1961.
MLA (8e ed.) BronvermeldingRead, Waldemer P. Knowledge and Goodness. Extension Division, University of Utah, 1961.
Let op: Deze citaties zijn niet altijd 100% accuraat.