APA Style
Creswell, J, W. (2002).
Research Design : Qualitative and Quantitative Approaches (Pendekatan Kualitatif dan Kuantitatif) .
Jakarta:
KIK.
MLA Style
Creswell, John, W..
"Research Design : Qualitative and Quantitative Approaches (Pendekatan Kualitatif dan Kuantitatif)".
Jakarta:
KIK,
2002.
Text.