APA (7e ed.) Bronvermelding

Creswell, J. W., & Guetterman, T. C. (2021). Educational research: Planning, conducting, and evaluating quantitative and qualitative research (Sixth edition ; global edition.). Pearson Education.

Chicago (17e ed.) Bronvermelding

Creswell, John W., en Timothy C. Guetterman. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. Sixth edition ; global edition. Harlow, Essex: Pearson Education, 2021.

MLA (9e ed.) Bronvermelding

Creswell, John W., en Timothy C. Guetterman. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. Sixth edition ; global edition. Pearson Education, 2021.