Cita APA (7a ed.)

Cain, P. J. (1996). Free trade and protectionism. Routledge : Thoemmes.

Cita Chicago Style (17a ed.)

Cain, P. J. Free Trade and Protectionism. London: Routledge : Thoemmes, 1996.

Cita MLA (9a ed.)

Cain, P. J. Free Trade and Protectionism. Routledge : Thoemmes, 1996.