BROWN, L. R. (1985). Reversing Africa’s decline. Worldwatch Institute.
Lua i Stíl Chicago (17ú heag.)BROWN, Lester R. Reversing Africa’s Decline. Worldwatch Institute, 1985.
Lua MLA (9ú heag.)BROWN, Lester R. Reversing Africa’s Decline. Worldwatch Institute, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.