Gaya APA

Creswell, J, W. (2008). Educational Research : Planning, Conducting, and Evaluating Quantitive and Qualitative Research Third Edition (1). New Jersey: Pearson.

Gaya MLA

Creswell, John, W. "Educational Research : Planning, Conducting, and Evaluating Quantitive and Qualitative Research Third Edition". 1 New Jersey: Pearson, 2008. Text.