Art, r., & Art, R. J. (1992). International politics: Enduring concepts and contemporary issues. Harper Collins.
Chicago-viite (17. p.)Art, robert, ja Robert J. Art. International Politics: Enduring Concepts and Contemporary Issues. New York: Harper Collins, 1992.
MLA-viite (9. p.)Art, robert, ja Robert J. Art. International Politics: Enduring Concepts and Contemporary Issues. Harper Collins, 1992.
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