Johnson, B. (2004). Educational research: Quantitative, qualitative, and mixed approaches (2nd ed.). Pearson/Allyn and Bacon.
Chicago (17e ed.) BronvermeldingJohnson, Burke. Educational Research: Quantitative, Qualitative, and Mixed Approaches. 2nd ed. Boston: Pearson/Allyn and Bacon, 2004.
MLA (9e ed.) BronvermeldingJohnson, Burke. Educational Research: Quantitative, Qualitative, and Mixed Approaches. 2nd ed. Pearson/Allyn and Bacon, 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.