Longman. (2002). Language Activator: Helps You Write And Speak Natural English (2nd.). Pearson.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLongman. Language Activator: Helps You Write And Speak Natural English. 2nd. Delhi: Pearson, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLongman. Language Activator: Helps You Write And Speak Natural English. 2nd. Pearson, 2002.
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