Cita APA (7th ed.)

Grossman, G. M., & Maggi, G. (1998). Diversity and trade. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Grossman, Gene M., i Giovanni Maggi. Diversity and Trade. Cambridge: National Bureau of Economic Research, 1998.

Cita MLA (9th ed.)

Grossman, Gene M., i Giovanni Maggi. Diversity and Trade. National Bureau of Economic Research, 1998.