Citace podle APA (7th ed.)
Herring, G. C. (2008). From colony to superpower: U.S. foreign relations since 1776. Oxford University Press.
Citace podle Chicago (17th ed.)
Herring, George C. From Colony to Superpower: U.S. Foreign Relations Since 1776. New York: Oxford University Press, 2008.
Citace podle MLA (9th ed.)
Herring, George C. From Colony to Superpower: U.S. Foreign Relations Since 1776. Oxford University Press, 2008.
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