Hall Gus. (1772). Imperialism Today: An Evaluation of Major Issues and Events of Our Time (4th ed.). International.
Citace podle Chicago (17th ed.)Hall Gus. Imperialism Today: An Evaluation of Major Issues and Events of Our Time. 4th ed. New York: International, 1772.
Citace podle MLA (9th ed.)Hall Gus. Imperialism Today: An Evaluation of Major Issues and Events of Our Time. 4th ed. International, 1772.
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