Crabtree, B. F. M. (1999). Doing qualitative research (2nd-ed.). SAGE Publications, Inc.
芝加哥风格引文Crabtree, Benjamin F. Miller. Doing Qualitative Research. 2nd-ed. London: SAGE Publications, Inc, 1999.
MLA引文Crabtree, Benjamin F. Miller. Doing Qualitative Research. 2nd-ed. SAGE Publications, Inc, 1999.
警告：这些引文格式不一定是100％准确.