Cita APA (7th ed.)

Flick, U. (1998). An introduction to qualitative research. Sage.

Cita Chicago (17th ed.)

Flick, Uwe. An Introduction to Qualitative Research. London: Sage, 1998.

Cita MLA (9th ed.)

Flick, Uwe. An Introduction to Qualitative Research. Sage, 1998.