ebrary, Inc, Murray, T. E., & Simon, B. L. (2006). Language variation and change in the American midland: A new look at "heartland" English. John Benjamins Pub..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, Thomas E. Murray, और Beth Lee Simon. Language Variation and Change in the American Midland: A New Look at "Heartland" English. Amsterdam ; Philadelphia: John Benjamins Pub., 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, et al. Language Variation and Change in the American Midland: A New Look at "Heartland" English. John Benjamins Pub., 2006.
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