APA-čujuhus (7. p.)
Levin, N. (1968). Woodrow Wilson and world politics: America's response to war revolution. Oxford.
Chicago-čujuhus (17. p.)
Levin, N.Gordon. Woodrow Wilson and World Politics: America's Response to War Revolution. London: Oxford, 1968.
MLA-čujuhus (9. p.)
Levin, N.Gordon. Woodrow Wilson and World Politics: America's Response to War Revolution. Oxford, 1968.
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