Flick, U. (2009). An introduction to qualitative research (Forth edition.). Sage Publications.
Cita Chicago (17th ed.)Flick, Uwe. An Introduction to Qualitative Research. Forth edition. Los Angeles ; New Delhi: Sage Publications, 2009.
Cita MLA (8th ed.)Flick, Uwe. An Introduction to Qualitative Research. Forth edition. Sage Publications, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.