International Union of Psychological Science. (2004). International Journal of Psychology. Lawrence Erlbaum Associates.
Lua i Stíl Chicago (17ú heag.)International Union of Psychological Science. International Journal of Psychology. Hove, Inglaterra: Lawrence Erlbaum Associates, 2004.
Lua MLA (8ú heag.)International Union of Psychological Science. International Journal of Psychology. Lawrence Erlbaum Associates, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.