Cita APA (7th ed.)

Creswell, J. W. (2008). Educational research: Planning, conducting, and evaluating quantitative and qualitative research (3rd ed.). Pearson/Merrill Prentice Hall.

Cita Chicago (17th ed.)

Creswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. 3rd ed. Upper Saddle River, N.J: Pearson/Merrill Prentice Hall, 2008.

Cita MLA (9th ed.)

Creswell, John W. Educational Research: Planning, Conducting, and Evaluating Quantitative and Qualitative Research. 3rd ed. Pearson/Merrill Prentice Hall, 2008.