Cita APA

Creswell, J. W., & Guetterman, T. C. (2019). Educational research: Planning, conducting, and evaluating quantitative and qualitative research (Sixth edition.). New York: Pearson.

Citación estilo Chicago

Creswell, John W., y Timothy C. Guetterman. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. Sixth edition. New York: Pearson, 2019.

Cita MLA

Creswell, John W., y Timothy C. Guetterman. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. Sixth edition. New York: Pearson, 2019.