Robson, C. (2002). Real world research: A resource for social scientists and practitioner-researchers (2nd edition.). Blackwell Publishers.
Lua i Stíl Chicago (17ú heag.)Robson, Colin. Real World Research: A Resource for Social Scientists and Practitioner-researchers. 2nd edition. Oxford, UK ; Madden, Mass.: Blackwell Publishers, 2002.
Lua MLA (8ú heag.)Robson, Colin. Real World Research: A Resource for Social Scientists and Practitioner-researchers. 2nd edition. Blackwell Publishers, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.