Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Ginsburgh, Victor, y Shlomo Weber. How Many Languages Do We Need?: The Economics of Linguistic Diversity. Princeton, NJ [u.a.]: Princeton Univ. Press, 2011.

Cita MLA (8a ed.)

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