Roberts, B. (1996). New forces in the world economy. MIT.
Cita Chicago Style (17a ed.)Roberts, Brad. New Forces in the World Economy. Cambridge (Massachusetts) [etc.]: MIT, 1996.
Cita MLA (9a ed.)Roberts, Brad. New Forces in the World Economy. MIT, 1996.
Precaución: Estas citas no son 100% exactas.