APA-ийн эшлэл(7 дахь хэвлэлт)

Creswell,John W. (2009). Research Design: Qualitative, Quantitative, and Mixed Methods Approaches (3rd.). Sage.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Creswell,John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 3rd. New Delhi: Sage, 2009.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Creswell,John W. Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 3rd. Sage, 2009.