Cita APA (7th ed.)

Flick, U. (2009). An Introduction to qualitative research. Sage.

Cita Chicago (17th ed.)

Flick, Uwe. An Introduction to Qualitative Research. London: Sage, 2009.

Cita MLA (9th ed.)

Flick, Uwe. An Introduction to Qualitative Research. Sage, 2009.