Cita APA (7th ed.)

(1993). The NAFTA: Report on environmental issues. [Executive Office of the President] : For sale by the U.S. G.P.O., Supt. of Docs..

Cita Chicago (17th ed.)

The NAFTA: Report on Environmental Issues. Washington, D.C.: [Executive Office of the President] : For sale by the U.S. G.P.O., Supt. of Docs., 1993.

Cita MLA (8th ed.)

The NAFTA: Report on Environmental Issues. [Executive Office of the President] : For sale by the U.S. G.P.O., Supt. of Docs., 1993.

Atenció: Aquestes cites poden no estar 100% correctes.