Payne, G., & Payne, J. (2004). Key concepts in social research. SAGE.
Chicago Style (17th ed.) CitationPayne, Geoff, and Judy Payne. Key Concepts in Social Research. London: SAGE, 2004.
ציטוט MLAPayne, Geoff, and Judy Payne. Key Concepts in Social Research. SAGE, 2004.
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