APA (7th ed.) Zitazioa

Flick, U. (2009). An introduction to qualitative research (4th ed.). Sage Publications.

Chicago Style (17th ed.) Zitazioa

Flick, Uwe. An Introduction to Qualitative Research. 4th ed. London ; Thousand Oaks, Calif.: Sage Publications, 2009.

MLA (9th ed.) Zitazioa

Flick, Uwe. An Introduction to Qualitative Research. 4th ed. Sage Publications, 2009.