Cunliffe, M. (1969). American Presidents and the Presidents. Eyre and Spottiswoode.
Chicago Edition CitationCunliffe, Marcus. American Presidents and the Presidents. London: Eyre and Spottiswoode, 1969.
MLA引文Cunliffe, Marcus. American Presidents and the Presidents. Eyre and Spottiswoode, 1969.
警告：這些引文格式不一定是100％准確.