Morgan, D. L. (1997). Focus groups as qualitative research (2nd edition.). Sage Publications.
芝加哥风格引文Morgan, David L. Focus Groups as Qualitative Research. 2nd edition. Thousand Oaks, California: Sage Publications, 1997.
MLA引文Morgan, David L. Focus Groups as Qualitative Research. 2nd edition. Sage Publications, 1997.
警告：这些引文格式不一定是100％准确.