Cita APA (7th ed.)
ebrary, Inc, Itō, T., & Krueger, A. O. (1993). Trade and protectionism. University of Chicago Press.
Cita Chicago (17th ed.)
ebrary, Inc, Takatoshi Itō, i Anne O. Krueger. Trade and Protectionism. Chicago: University of Chicago Press, 1993.
Cita MLA (9th ed.)
ebrary, Inc, et al. Trade and Protectionism. University of Chicago Press, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.