Não informado. (1970). Human inquiries. Association of Existentical Psychology and Psychiatry.
Lua i Stíl Chicago (17ú heag.)Não informado. Human Inquiries. Washington: Association of Existentical Psychology and Psychiatry, 1970.
Lua MLA (8ú heag.)Não informado. Human Inquiries. Association of Existentical Psychology and Psychiatry, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.