Não informado. (1908). Psychological review. American Psychological Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Psychological Review. Princeton, NJ: American Psychological Association, 1908.
Lua MLA (8ú heag.)Não informado. Psychological Review. American Psychological Association, 1908.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.