Cita APA (7th ed.)

Ginsburgh, V., & Weber, S. (2011). How many languages do we really need?: The economics of linguistic diversity. Princeton University Press.

Cita Chicago (17th ed.)

Ginsburgh, Victor, i Shlomo Weber. How Many Languages Do We Really Need?: The Economics of Linguistic Diversity. Princeton, NJ: Princeton University Press, 2011.

Cita MLA (9th ed.)

Ginsburgh, Victor, i Shlomo Weber. How Many Languages Do We Really Need?: The Economics of Linguistic Diversity. Princeton University Press, 2011.