Greene, H. A., & Petty, W. T. (1963). Developing language skills in the elementary schools (2d ed.). Allyn and Bacon.
Chicago (17e ed.) BronvermeldingGreene, Harry Andrew, en Walter Thomas Petty. Developing Language Skills in the Elementary Schools. 2d ed. Boston: Allyn and Bacon, 1963.
MLA (9e ed.) BronvermeldingGreene, Harry Andrew, en Walter Thomas Petty. Developing Language Skills in the Elementary Schools. 2d ed. Allyn and Bacon, 1963.
Let op: Deze citaties zijn niet altijd 100% accuraat.