Não informado. (1953). Social and economics studies. University of West Indies, Institute of Social and Economic Research.
Lua i Stíl Chicago (17ú heag.)Não informado. Social and Economics Studies. Kingston: University of West Indies, Institute of Social and Economic Research, 1953.
Lua MLA (8ú heag.)Não informado. Social and Economics Studies. University of West Indies, Institute of Social and Economic Research, 1953.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.