Green, R. T. (1978). The United States and world trade. New York: Praeger Publishers.
Chicago Style CitationGreen, Robert T. The United States and World Trade. New York: Praeger Publishers, 1978.
Cita MLAGreen, Robert T. The United States and World Trade. New York: Praeger Publishers, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.