Dyfyniad APA

Grygiel, J. J. (2006). Great powers and geopolitical change. Johns Hopkins University Press.

Dyfyniad Arddull Chicago

Grygiel, Jakub J. Great Powers and Geopolitical Change. Baltimore: Johns Hopkins University Press, 2006.

Dyfyniad MLA

Grygiel, Jakub J. Great Powers and Geopolitical Change. Johns Hopkins University Press, 2006.

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