Não informado. (1972). Food Purity Perspectives. O. D. Kurz Associates.
Lua i Stíl Chicago (17ú heag.)Não informado. Food Purity Perspectives. Baltimore, Md: O. D. Kurz Associates, 1972.
Lua MLA (8ú heag.)Não informado. Food Purity Perspectives. O. D. Kurz Associates, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.