(1977). Africa guide: Incorporating economic information from the Economist Intelligence Unit Ltd. Africa Guide Co.
Lua i Stíl Chicago (17ú heag.)Africa Guide: Incorporating Economic Information from the Economist Intelligence Unit Ltd. England: Africa Guide Co, 1977.
Lua MLA (9ú heag.)Africa Guide: Incorporating Economic Information from the Economist Intelligence Unit Ltd. Africa Guide Co, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.