Cita APA (7a ed.)

Sampson, G. P. (2014). Contemporary protectionism and the exports of developing countries.

Cita Chicago Style (17a ed.)

Sampson, Gary P. Contemporary Protectionism and the Exports of Developing Countries. 2014.

Cita MLA (8a ed.)

Sampson, Gary P. Contemporary Protectionism and the Exports of Developing Countries. 2014.