Creswell, J. W., & Plano Clark, V. L. (2011). Designing and conducting mixed methods research (2nd ed.). SAGE Publications.
Chicago-viite (17. p.)Creswell, John W., ja Vicki L. Plano Clark. Designing and Conducting Mixed Methods Research. 2nd ed. Los Angeles: SAGE Publications, 2011.
MLA-viite (8. p.)Creswell, John W., ja Vicki L. Plano Clark. Designing and Conducting Mixed Methods Research. 2nd ed. SAGE Publications, 2011.
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