Não informado. (1950). Revue des Études Coopératives. Institut des Etudes Cooperatives.
Lua i Stíl Chicago (17ú heag.)Não informado. Revue Des Études Coopératives. Paris: Institut des Etudes Cooperatives, 1950.
Lua MLA (8ú heag.)Não informado. Revue Des Études Coopératives. Institut des Etudes Cooperatives, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.