Não informado. (1972). Contemporary Sociology. American Sociological Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Contemporary Sociology. Washington: American Sociological Association, 1972.
Lua MLA (8ú heag.)Não informado. Contemporary Sociology. American Sociological Association, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.