Cita APA (7a ed.)

Folsom, . R. (1999). NAFTA and Free Trade in the Americas in a Nutshell. s.l.

Cita Chicago Style (17a ed.)

Folsom, Ralph. NAFTA and Free Trade in the Americas in a Nutshell. West Academic: s.l, 1999.

Cita MLA (8a ed.)

Folsom, Ralph. NAFTA and Free Trade in the Americas in a Nutshell. s.l, 1999.