Thomas W, H. (1997). Global trade analysis: Modeling and applications. Cambridge University Press.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিThomas W, Hertel. Global Trade Analysis: Modeling and Applications. Cambridge ; New York: Cambridge University Press, 1997.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিThomas W, Hertel. Global Trade Analysis: Modeling and Applications. Cambridge University Press, 1997.