Berlin, I., & Hardy, . H. (2006). Political ideas in the romantic age: Their rise and influence on modern thought. Princeton University Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Berlin, Isaiah, και Henry Hardy. Political Ideas in the Romantic Age: Their Rise and Influence on Modern Thought. New Jerssey: Princeton University Press, 2006.
Παραπομπή σε μορφή MLA (9th εκδ.)Berlin, Isaiah, και Henry Hardy. Political Ideas in the Romantic Age: Their Rise and Influence on Modern Thought. Princeton University Press, 2006.
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