ENCYCLOPEDIA BRITANICA. (2004). VIEWS OF AFRICA: DISCOVER THE CONTINENT THAT IS AS DIVERSE AS IT IS MAGNIFICENT. ENCYCLOPEDIA BRITANICA.
Παραπομπή σε μορφή Chicago (17η εκδ.)ENCYCLOPEDIA BRITANICA. VIEWS OF AFRICA: DISCOVER THE CONTINENT THAT IS AS DIVERSE AS IT IS MAGNIFICENT. CHICAGO: ENCYCLOPEDIA BRITANICA, 2004.
Παραπομπή σε μορφή MLA (9th εκδ.)ENCYCLOPEDIA BRITANICA. VIEWS OF AFRICA: DISCOVER THE CONTINENT THAT IS AS DIVERSE AS IT IS MAGNIFICENT. ENCYCLOPEDIA BRITANICA, 2004.
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