Cita APA (7th ed.)

Flick, U. (2002). An introduction to qualitative research (2nd ed.). SAGE Publications.

Cita Chicago (17th ed.)

Flick, Uwe. An Introduction to Qualitative Research. 2nd ed. London ; Thousand Oaks, Calif.: SAGE Publications, 2002.

Cita MLA (8th ed.)

Flick, Uwe. An Introduction to Qualitative Research. 2nd ed. SAGE Publications, 2002.