Bernard, H. R. (2013). Social research method: Qualitative and quantitative approaches (2nd ed.). SAGE Publications.
芝加哥风格引文Bernard, H. Russell. Social Research Method: Qualitative and Quantitative Approaches. 2nd ed. Los Angeles: SAGE Publications, 2013.
MLA引文Bernard, H. Russell. Social Research Method: Qualitative and Quantitative Approaches. 2nd ed. SAGE Publications, 2013.
警告：这些引文格式不一定是100％准确.