Lua APA (7ú heag.)
Rugg, G., & Petre, M. (2007). A gentle guide to research methods. Open University Press.
Lua i Stíl Chicago (17ú heag.)
Rugg, Gordon, agus Marian Petre. A Gentle Guide to Research Methods. Maidenhead: Open University Press, 2007.
Lua MLA (9ú heag.)
Rugg, Gordon, agus Marian Petre. A Gentle Guide to Research Methods. Open University Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.