Needs and capabilities of demographic centres in the world. Committee for International Cooperation in National Research in Demography.
Lua i Stíl Chicago (17ú heag.)Needs and Capabilities of Demographic Centres in the World. París: Committee for International Cooperation in National Research in Demography.
Lua MLA (9ú heag.)Needs and Capabilities of Demographic Centres in the World. Committee for International Cooperation in National Research in Demography.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.