Hughes, J. P. (1962). The science of language: An introduction to linguistics. Random House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHughes, John P. The Science of Language: An Introduction to Linguistics. Random House, 1962.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHughes, John P. The Science of Language: An Introduction to Linguistics. Random House, 1962.
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