Flick, U. (2002). An introduction to qualitative research (2nd ed.). SAGE Publications.
芝加哥风格引文Flick, Uwe. An Introduction to Qualitative Research. 2nd ed. London ; Thousand Oaks, Calif.: SAGE Publications, 2002.
MLA引文Flick, Uwe. An Introduction to Qualitative Research. 2nd ed. SAGE Publications, 2002.
警告：这些引文格式不一定是100％准确.