APA (7 वां संस्करण) प्रशस्ति पत्र
Hewings, M. (2003). A Remedial grammar for advanced students: A sefl study reference book for advanced South Asian students. CUP.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Hewings, Martin. A Remedial Grammar for Advanced Students: A Sefl Study Reference Book for Advanced South Asian Students. Cambridge: CUP, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Hewings, Martin. A Remedial Grammar for Advanced Students: A Sefl Study Reference Book for Advanced South Asian Students. CUP, 2003.
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