Opello, W. C., Jr. (2005). The Nation-State and Global Order: A Historical Introduction to Contemporary Politics (2nd ed.). VIVA BOOKS PRIVATE LIMITED.
Citace podle Chicago (17th ed.)Opello, Walter C., Jr. The Nation-State and Global Order: A Historical Introduction to Contemporary Politics. 2nd ed. New Delhi: VIVA BOOKS PRIVATE LIMITED, 2005.
Citace podle MLA (9th ed.)Opello, Walter C., Jr. The Nation-State and Global Order: A Historical Introduction to Contemporary Politics. 2nd ed. VIVA BOOKS PRIVATE LIMITED, 2005.
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