Silverman, D. (2013). Doing qualitative research (Fourth edition.). Sage.
Lua i Stíl Chicago (17ú heag.)Silverman, David. Doing Qualitative Research. Fourth edition. London: Sage, 2013.
Lua MLA (8ú heag.)Silverman, David. Doing Qualitative Research. Fourth edition. Sage, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.