Rugman, Alan M.
International business : firm and environment
McGraw-Hill , 1985
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Vernon, Raymond
Economic environment of international business
Prentice-Hall, 1981
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Vernon, Raymond
The Economic environment of international business
Prentice-Hall, 1972
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Blough, Roy
International business / Roy Blough
McGraw-Hill, 1966
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International business : the challenge of global competition
Donald A Ball, McCulloch, Jr., Wendell H., J Michael Geringer, Michael S Minor, Jeanne M NcNett
McGraw-Hill, Irwin, 2008
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