APA (7e ed.) Bronvermelding

Creswell, J. W. Educational research: Planning, conducting, and evaluating quantitative and qualitative.

Chicago (17e ed.) Bronvermelding

Creswell, J. W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative.

MLA (8e ed.) Bronvermelding

Creswell, J. W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative.

Let op: Deze citaties zijn niet altijd 100% accuraat.