Gaya APA

Creswell, J, W., Guetterman, T, C. (2021). Educational Research : Planning, Conductiing and Evaluating Quantitative and Qualitative Research (Global). Essex: Pearson.

Gaya MLA

Creswell, John, W.., Guetterman, Timothy, C.. "Educational Research : Planning, Conductiing and Evaluating Quantitative and Qualitative Research". Global Essex: Pearson, 2021. Text.