Weaver, M. (2015). NAFTA at 20: Overview, trade effects, and impact on agriculture = NAFTA at twenty. Nova Publishers.
Chicago-Zitierstil (17. Ausg.)Weaver, Marian. NAFTA at 20: Overview, Trade Effects, and Impact on Agriculture = NAFTA at Twenty. New York: Nova Publishers, 2015.
MLA-Zitierstil (9. Ausg.)Weaver, Marian. NAFTA at 20: Overview, Trade Effects, and Impact on Agriculture = NAFTA at Twenty. Nova Publishers, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.