APA-viite

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

Chicago-tyylinen lähdeviittaus

Flick, Uwe. Introduction to Qualitative Research. 4th ed. New Delhi: Sage Publications, 2009.

MLA-viite

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