Sears, S. W. (1973). The horizon history of the british empire. American Heritage Pub. Co..
Chicagoスタイル(17版)引用形式Sears, Stephen W. The Horizon History of the British Empire. New York: American Heritage Pub. Co., 1973.
MLA(9版)引用形式Sears, Stephen W. The Horizon History of the British Empire. American Heritage Pub. Co., 1973.
警告: この引用は必ずしも正確ではありません.