Folsom, R. H. (2008). NAFTA and free trade in the Americas in a nutshell (3rd ed.). Thomson/West.
Chicago-čujuhus (17. p.)Folsom, Ralph Haughwout. NAFTA and Free Trade in the Americas in a Nutshell. 3rd ed. St. Paul, MN: Thomson/West, 2008.
MLA-čujuhus (9. p.)Folsom, Ralph Haughwout. NAFTA and Free Trade in the Americas in a Nutshell. 3rd ed. Thomson/West, 2008.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.