Sumner, C. (1849). The war system of the commonwealth of nations: Mr. Sumner's address before the American Peace Society (2d ed.).
Citace podle Chicago (17th ed.)Sumner, Charles. The War System of the Commonwealth of Nations: Mr. Sumner's Address Before the American Peace Society. 2d ed. [Boston, 1849.
Citace podle MLA (8th ed.)Sumner, Charles. The War System of the Commonwealth of Nations: Mr. Sumner's Address Before the American Peace Society. 2d ed. 1849.
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