Neuman, W. L. (1991). Social research methods: Qualitative and quantitative approaches. Allyn and Bacon.
芝加哥风格引文Neuman, William Lawrence. Social Research Methods: Qualitative and Quantitative Approaches. Boston: Allyn and Bacon, 1991.
MLA引文Neuman, William Lawrence. Social Research Methods: Qualitative and Quantitative Approaches. Allyn and Bacon, 1991.
警告：这些引文格式不一定是100％准确.