Hänvisningar gällande denna post

APA-referens (7:e uppl.)
Alpers, E. A. (1975). Ivory & Slaves in East central Africa: Changing patterns of international trade to the later nineteenth century. Heinemann.
Chicago-referens (17:e uppl.)
Alpers, Edward A. Ivory & Slaves in East Central Africa: Changing Patterns of International Trade to the Later Nineteenth Century. London: Heinemann, 1975.
MLA-referens (9:e uppl.)
Alpers, Edward A. Ivory & Slaves in East Central Africa: Changing Patterns of International Trade to the Later Nineteenth Century. Heinemann, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.