APA-čujuhus (7. p.)
Hogan, W. N. (1955). International conflict and collective security: The principle of concern in international organization. University of Kentucky Press.
Chicago-čujuhus (17. p.)
Hogan, Willard N. International Conflict and Collective Security: The Principle of Concern in International Organization. [Lexington, Kentucky]: University of Kentucky Press, 1955.
MLA-čujuhus (9. p.)
Hogan, Willard N. International Conflict and Collective Security: The Principle of Concern in International Organization. University of Kentucky Press, 1955.
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