The Population Council. (1975). Population and Development Review. The Population Council.
Lua i Stíl Chicago (17ú heag.)The Population Council. Population and Development Review. Nueva York: The Population Council, 1975.
Lua MLA (9ú heag.)The Population Council. Population and Development Review. The Population Council, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.