Martin, C. E. (1928). An introduction to the study of the American Constitution: A study of the formation and development of the American constitutional system and of the ideals upon which it is based. Oxford University Press.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Martin, Charles E. An Introduction to the Study of the American Constitution: A Study of the Formation and Development of the American Constitutional System and of the Ideals upon Which It Is Based. New York [etc.]: Oxford University Press, 1928.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Martin, Charles E. An Introduction to the Study of the American Constitution: A Study of the Formation and Development of the American Constitutional System and of the Ideals upon Which It Is Based. Oxford University Press, 1928.
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