Flick,Uwe. (2014). Introduction to qualitative Research. Sage.
Lua i Stíl Chicago (17ú heag.)Flick,Uwe. Introduction to Qualitative Research. London: Sage, 2014.
Lua MLA (9ú heag.)Flick,Uwe. Introduction to Qualitative Research. Sage, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.