Cita APA (7th ed.)

Creswell, J. W. (2009). Research Design. Response Books.

Cita Chicago (17th ed.)

Creswell, John W. Research Design. New Delhi: Response Books, 2009.

Cita MLA (9th ed.)

Creswell, John W. Research Design. Response Books, 2009.

Atenció: Aquestes cites poden no estar 100% correctes.