Ezera, K. (1957). Constitutional developments in Nigeria, 1944-1956: An analytical study of Nigeria's constitution-making developments and the historical and political factors that affected constitutional change. Bodleian Library, Photographed by Oxford University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ezera, Kalu. Constitutional Developments in Nigeria, 1944-1956: An Analytical Study of Nigeria's Constitution-making Developments and the Historical and Political Factors That Affected Constitutional Change. Oxford: Bodleian Library, Photographed by Oxford University Press, 1957.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ezera, Kalu. Constitutional Developments in Nigeria, 1944-1956: An Analytical Study of Nigeria's Constitution-making Developments and the Historical and Political Factors That Affected Constitutional Change. Bodleian Library, Photographed by Oxford University Press, 1957.