APA-viite (7. p.)
Flick, U. (2009). An introduction to qualitative research (4th ed.). Sage Publications.
Chicago-viite (17. p.)
Flick, Uwe. An Introduction to Qualitative Research. 4th ed. London ; Thousand Oaks, Calif.: Sage Publications, 2009.
MLA-viite (9. p.)
Flick, Uwe. An Introduction to Qualitative Research. 4th ed. Sage Publications, 2009.
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