Flick, U. (2017). An Introduction to qualitative research. Sage publication.
芝加哥风格引文Flick, Ume. An Introduction to Qualitative Research. New Delhi: Sage publication, 2017.
MLA引文Flick, Ume. An Introduction to Qualitative Research. Sage publication, 2017.
警告：这些引文格式不一定是100％准确.