Cita APA (7a ed.)

Creswell, J. W. (2014). Research design: Qualitative, quantitative, and mixed methods qpproaches (4th ed., international student edition.). Thousand Oaks [Calif.] : SAGE.

Cita Chicago Style (17a ed.)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Qpproaches. 4th ed., international student edition. London: Thousand Oaks [Calif.] : SAGE, 2014.

Cita MLA (9a ed.)

Creswell, John W. Research Design: Qualitative, Quantitative, and Mixed Methods Qpproaches. 4th ed., international student edition. Thousand Oaks [Calif.] : SAGE, 2014.