John W. Creswell, V. L. P. C. Designing and Conducting Mixed Methods Research (2007).
Chicago (17e ed.) BronvermeldingJohn W. Creswell, Vicki L. Plano Clark. Designing and Conducting Mixed Methods Research (2007).
MLA (8e ed.) BronvermeldingJohn W. Creswell, Vicki L. Plano Clark. Designing and Conducting Mixed Methods Research (2007).
Let op: Deze citaties zijn niet altijd 100% accuraat.