Gramley, S. (2001). The vocabulary of world English. Arnold ; Co-published in the United States of America by Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGramley, Stephan. The Vocabulary of World English. London : New York: Arnold ; Co-published in the United States of America by Oxford University Press, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGramley, Stephan. The Vocabulary of World English. Arnold ; Co-published in the United States of America by Oxford University Press, 2001.
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