Penggayaan APA

Creswell, John W.. (1994). Research Design Qualitative & Quantitative Approaches . California: Sage Publications.

Chicago Style

Creswell, John W.. Research Design Qualitative & Quantitative Approaches. California: Sage Publications, 1994. Text.

MLA Style

Creswell, John W.. Research Design Qualitative & Quantitative Approaches. California: Sage Publications, 1994. Text.

Turabian Style

Creswell, John W.. Research Design Qualitative & Quantitative Approaches. California: Sage Publications, 1994. Print.