EMMEL, N. (2013). Sampling and choosing cases in qualitative research a realist approach. Sage.
Lua i Stíl Chicago (17ú heag.)EMMEL, Nick. Sampling and Choosing Cases in Qualitative Research a Realist Approach. Sage, 2013.
Lua MLA (8ú heag.)EMMEL, Nick. Sampling and Choosing Cases in Qualitative Research a Realist Approach. Sage, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.