APA-čujuhus (7. p.)
Schweller, R. L. (2008). Unanswered threats: Political constraints on the balance of power. Princeton University Press.
Chicago-čujuhus (17. p.)
Schweller, Randall L. Unanswered Threats: Political Constraints on the Balance of Power. Princeton, N.J.: Princeton University Press, 2008.
MLA-čujuhus (9. p.)
Schweller, Randall L. Unanswered Threats: Political Constraints on the Balance of Power. Princeton University Press, 2008.
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