British Psychological Society. British journal of educational psychology. British Psychology Society.
Lua i Stíl Chicago (17ú heag.)British Psychological Society. British Journal of Educational Psychology. Leicester, U.K.: British Psychology Society.
Lua MLA (9ú heag.)British Psychological Society. British Journal of Educational Psychology. British Psychology Society.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.