Fishman, J. A. (1968). Language problems of developing nations. John Wiley and Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFishman, Joshua A. Language Problems of Developing Nations. John Wiley and Sons, 1968.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFishman, Joshua A. Language Problems of Developing Nations. John Wiley and Sons, 1968.
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