APA Citation

Buell, R. L. (1929). International relations. New York: H. Holt and company.

Trích dẫn kiểu Chicago

Buell, Raymond Leslie. International Relations. New York: H. Holt and company, 1929.

MLA Citation

Buell, Raymond Leslie. International Relations. New York: H. Holt and company, 1929.

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