Horn, Paul V.
International trade : principles and practices
Prentice-Hall, 1955
Buku Teks
Stern, Siegfried
The United states in international banking
Columbia University , 1952
Buku Teks
Horn, Paul V.
International trade : principles and practices
Prentice-Hall, 1959
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International business : articles and essays / edited, Huxley Madeheim, Edward Mark Mazze, Charles S. Stein
Holt, Rinehart and Winston, 1963
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Griffin, C.E.
Principles of foreign trade / C.E. Griffin
Macmillan, 1930
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