Gaya APA

Creswell, J, W. (2007). Second Edition Qualitative Inquiry & Research Design Choosing Among Five Approaches (Cetakan 2). California: SAGE Publications.

Gaya MLA

Creswell, John, W.. "Second Edition Qualitative Inquiry & Research Design Choosing Among Five Approaches". Cetakan 2 California: SAGE Publications, 2007. Text.