Não informado. (2004). Journal of Applied Psychology. American Psychological Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Applied Psychology. Arlington, Va: American Psychological Association, 2004.
Lua MLA (8ú heag.)Não informado. Journal of Applied Psychology. American Psychological Association, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.