British Psychological Society. (1953). Bulletin of the British Psychological Society. The Society.
Lua i Stíl Chicago (17ú heag.)British Psychological Society. Bulletin of the British Psychological Society. London: The Society, 1953.
Lua MLA (8ú heag.)British Psychological Society. Bulletin of the British Psychological Society. The Society, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.