Njung, George N. (2019-12-01). "The British Cameroons Mandate Regime: The Roots of the Twenty-First-Century Political Crisis in Cameroon". The American Historical Review (באנגלית). 124 (5): 1715–1722. doi:10.1093/ahr/rhz1025. ISSN0002-8762.
Njung, George N. (2019-12-01). "The British Cameroons Mandate Regime: The Roots of the Twenty-First-Century Political Crisis in Cameroon". The American Historical Review (באנגלית). 124 (5): 1715–1722. doi:10.1093/ahr/rhz1025. ISSN0002-8762.