Weinberg, D. (2002). Qualitative research methods. Blackwell Publishers.
Lua i Stíl Chicago (17ú heag.)Weinberg, Darin. Qualitative Research Methods. Malden, Mass: Blackwell Publishers, 2002.
Lua MLA (9ú heag.)Weinberg, Darin. Qualitative Research Methods. Blackwell Publishers, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.