ENCYCLOPEDIA BRITANICA. (2004). VIEWS OF AFRICA: DISCOVER THE CONTINENT THAT IS AS DIVERSE AS IT IS MAGNIFICENT. ENCYCLOPEDIA BRITANICA.
Chicago-referens (17:e uppl.)ENCYCLOPEDIA BRITANICA. VIEWS OF AFRICA: DISCOVER THE CONTINENT THAT IS AS DIVERSE AS IT IS MAGNIFICENT. CHICAGO: ENCYCLOPEDIA BRITANICA, 2004.
MLA-referens (9:e uppl.)ENCYCLOPEDIA BRITANICA. VIEWS OF AFRICA: DISCOVER THE CONTINENT THAT IS AS DIVERSE AS IT IS MAGNIFICENT. ENCYCLOPEDIA BRITANICA, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.