APA Style

Gresswell, John W. (2003). Research Design, Qualitative, Quantitative and Mixed Methods Approach- 2nd Edition . London: Sage Publications.

Chicago Style

Gresswell, John W. Research Design, Qualitative, Quantitative and Mixed Methods Approach- 2nd Edition. London: Sage Publications, 2003. Text.

MLA Style

Gresswell, John W. Research Design, Qualitative, Quantitative and Mixed Methods Approach- 2nd Edition. London: Sage Publications, 2003. Text.

Turabian Style

Gresswell, John W. Research Design, Qualitative, Quantitative and Mixed Methods Approach- 2nd Edition. London: Sage Publications, 2003. Print.