Princeton University. Office of Population Research & Brass, W. (1968). The demography of tropical Africa. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Princeton University. Office of Population Research agus William Brass. The Demography of Tropical Africa. Princeton, N.J.: Princeton University Press, 1968.
Lua MLA (8ú heag.)Princeton University. Office of Population Research agus William Brass. The Demography of Tropical Africa. Princeton University Press, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.