Lloyd, P. C. (1971). The political development of Yoruba kingdoms in the eighteenth and nineteenth centuries. Royal Anthropological Institute of Great Britain and Ireland.
Chicago-referens (17:e uppl.)Lloyd, Peter Cutt. The Political Development of Yoruba Kingdoms in the Eighteenth and Nineteenth Centuries. London: Royal Anthropological Institute of Great Britain and Ireland, 1971.
MLA-referens (8:e uppl.)Lloyd, Peter Cutt. The Political Development of Yoruba Kingdoms in the Eighteenth and Nineteenth Centuries. Royal Anthropological Institute of Great Britain and Ireland, 1971.
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