Não informado. (1952). International Bibliography of Political Science. Unesco.
Lua i Stíl Chicago (17ú heag.)Não informado. International Bibliography of Political Science. Paris: Unesco, 1952.
Lua MLA (8ú heag.)Não informado. International Bibliography of Political Science. Unesco, 1952.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.