Não informado. (1973). Population Reports. George Washington University, Department of Medical and Public Affairs.
Lua i Stíl Chicago (17ú heag.)Não informado. Population Reports. Washington: George Washington University, Department of Medical and Public Affairs, 1973.
Lua MLA (8ú heag.)Não informado. Population Reports. George Washington University, Department of Medical and Public Affairs, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
