Bulmer, M. . J. A. (1977). Sociological research methods: An introduction. Macmillan.
芝加哥风格引文Bulmer, Martin Joint Author. Sociological Research Methods: An Introduction. London: Macmillan, 1977.
MLA引文Bulmer, Martin Joint Author. Sociological Research Methods: An Introduction. Macmillan, 1977.
警告：这些引文格式不一定是100％准确.