Jaycox, E. V. (1992). The challenges of african development. Africa Region.
Lua i Stíl Chicago (17ú heag.)Jaycox, Edward V.K. The Challenges of African Development. Washington, D.C.: Africa Region, 1992.
Lua MLA (9ú heag.)Jaycox, Edward V.K. The Challenges of African Development. Africa Region, 1992.
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