McCarthy, F. D., & Wolf, H. C. (2001). Comparative life expectancy in Africa. World Bank.
Lua i Stíl Chicago (17ú heag.)McCarthy, F. Desmond, agus Holger C. Wolf. Comparative Life Expectancy in Africa. Washington, D.C: World Bank, 2001.
Lua MLA (9ú heag.)McCarthy, F. Desmond, agus Holger C. Wolf. Comparative Life Expectancy in Africa. World Bank, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.