Heinrichs, W. H. (1986). American ambassador: Joseph C. Grew and the development of the United States diplomatic tradition. Oxford University Press.
Chicago-čujuhus (17. p.)Heinrichs, Waldo H. American Ambassador: Joseph C. Grew and the Development of the United States Diplomatic Tradition. New York: Oxford University Press, 1986.
MLA-čujuhus (9. p.)Heinrichs, Waldo H. American Ambassador: Joseph C. Grew and the Development of the United States Diplomatic Tradition. Oxford University Press, 1986.
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