APA (7e ed.) Bronvermelding
Folsom, R. H. (2008). NAFTA and free trade in the Americas in a nutshell (3rd ed.). Thomson/West.
Chicago (17e ed.) Bronvermelding
Folsom, Ralph Haughwout. NAFTA and Free Trade in the Americas in a Nutshell. 3rd ed. St. Paul, MN: Thomson/West, 2008.
MLA (9e ed.) Bronvermelding
Folsom, Ralph Haughwout. NAFTA and Free Trade in the Americas in a Nutshell. 3rd ed. Thomson/West, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.