SCHUH, G. Edward; CANTLIFFE, Daniel J.; GREGORY, Keith E.; HELDMAN, Dennis R.; JOHNSON, D. Gale; JOSLING, Timothy E.; KUDRLE, Robert T. U.S. Agriculture and the North American Free Trade Agreement. Council for Agricultural Science and Technology (CAST), Ames, U.S.A., 1993. DOI: 10.62300/9w65ck87. Disponível em: https://publications.cast-science.org/CAST/article/view/229. Acesso em: 2 jul. 2026.