APA (7 वां संस्करण) प्रशस्ति पत्र
Ginsburgh, V., & Weber, S. (2011). How many languages do we really need?: The economics of linguistic diversity. Princeton University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Ginsburgh, Victor, और Shlomo Weber. How Many Languages Do We Really Need?: The Economics of Linguistic Diversity. Princeton, N.J.: Princeton University Press, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Ginsburgh, Victor, और Shlomo Weber. How Many Languages Do We Really Need?: The Economics of Linguistic Diversity. Princeton University Press, 2011.
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