Thomas W, H. (1997). Global trade analysis: Modeling and applications. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Thomas W, Hertel. Global Trade Analysis: Modeling and Applications. Cambridge ; New York: Cambridge University Press, 1997.
Lua MLA (9ú heag.)Thomas W, Hertel. Global Trade Analysis: Modeling and Applications. Cambridge University Press, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.