Perkins, M. (2017). Voltaire's concept of international order. Voltaire Foundation.
Lua i Stíl Chicago (17ú heag.)Perkins, M. Voltaire's Concept of International Order. Voltaire Foundation, 2017.
Lua MLA (9ú heag.)Perkins, M. Voltaire's Concept of International Order. Voltaire Foundation, 2017.
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