Thomas W, H. (1997). Global trade analysis: Modeling and applications. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThomas W, Hertel. Global Trade Analysis: Modeling and Applications. Cambridge ; New York: Cambridge University Press, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThomas W, Hertel. Global Trade Analysis: Modeling and Applications. Cambridge University Press, 1997.