@inbook{NBERc8709,
 Crossref = "NBERkrue96-1",
 title = "Agricultural Interest Groups and the North American Free Trade Agreement",
 author = "David Orden",
 BookTitle = "The Political Economy of American Trade Policy",
 Publisher = "University of Chicago Press",
 pages = "335-384",
 year = "1996",
 month = "January",
 URL = "http://www.nber.org/chapters/c8709",
}
@book{NBERkrue96-1,
 title = "The Political Economy of American Trade Policy",
 author = "Anne O. Krueger",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1996",
 URL = "http://www.nber.org/books/krue96-1",
}