Gillham, B. (2005). Research interviewing: The range of techniques. Open University Press.
Lua i Stíl Chicago (17ú heag.)Gillham, Bill. Research Interviewing: The Range of Techniques. Maidenhead ; New York: Open University Press, 2005.
Lua MLA (9ú heag.)Gillham, Bill. Research Interviewing: The Range of Techniques. Open University Press, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.