Payne, G., & Payne, J. (2004). Key concepts in social research. SAGE.
芝加哥风格引文Payne, Geoff, 与 Judy Payne. Key Concepts in Social Research. London: SAGE, 2004.
MLA引文Payne, Geoff, 与 Judy Payne. Key Concepts in Social Research. SAGE, 2004.
警告：这些引文格式不一定是100％准确.