Payne, G., & Payne, J. (2004). Key concepts in social research. Thousand Oaks.
Chicago Style (17. basım) AtıfPayne, Geoff, ve Judy Payne. Key Concepts in Social Research. London: Thousand Oaks, 2004.
MLA (9th ed.) AtıfPayne, Geoff, ve Judy Payne. Key Concepts in Social Research. Thousand Oaks, 2004.
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