BALASUBRAMANIAN, P. (2013). LEARN ENGLISH GRAMMAR SKILLS WITH THRILLS -1. AMITY UNIVERSITY PRESS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBALASUBRAMANIAN, PREMA. LEARN ENGLISH GRAMMAR SKILLS WITH THRILLS -1. AMITY UNIVERSITY PRESS, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBALASUBRAMANIAN, PREMA. LEARN ENGLISH GRAMMAR SKILLS WITH THRILLS -1. AMITY UNIVERSITY PRESS, 2013.
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