Ginsburgh, V., & Weber, S. (2011). How many languages do we really need?: The economics of linguistic diversity. Princeton University Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Ginsburgh, Victor, ба Shlomo Weber. How Many Languages Do We Really Need?: The Economics of Linguistic Diversity. Princeton, N.J.: Princeton University Press, 2011.
MLA -ийн эшлэл (9 дэх хэвлэлт)Ginsburgh, Victor, ба Shlomo Weber. How Many Languages Do We Really Need?: The Economics of Linguistic Diversity. Princeton University Press, 2011.
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