Não informado. (1975). Population and Development Review. Population Council.
Lua i Stíl Chicago (17ú heag.)Não informado. Population and Development Review. New York: Population Council, 1975.
Lua MLA (8ú heag.)Não informado. Population and Development Review. Population Council, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.