Hansen, A. H. (1946). America's role in the world economy. New York: Penguin Books.
Trích dẫn kiểu ChicagoHansen, Alvin Harvey. America's Role in the World Economy. New York: Penguin Books, 1946.
MLA citiranjeHansen, Alvin Harvey. America's Role in the World Economy. New York: Penguin Books, 1946.
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