De Voto, B. A. (1952). The course of empire. Houghton Mifflin.
Chicagoスタイル(17版)引用形式De Voto, Bernard Augustine. The Course of Empire. Boston: Houghton Mifflin, 1952.
MLA(9版)引用形式De Voto, Bernard Augustine. The Course of Empire. Houghton Mifflin, 1952.
警告: この引用は必ずしも正確ではありません.