Schuman , . F. L. (1969). International politics: Anarchy and order in the world society (7th ed.). McGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)Schuman , Frederick L. International Politics: Anarchy and Order in the World Society. 7th ed. New York: McGraw-Hill, 1969.
Tohutoro MLA (9th ed.)Schuman , Frederick L. International Politics: Anarchy and Order in the World Society. 7th ed. McGraw-Hill, 1969.
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