(1993). Longman Language Activator: The World's First Production Dictionary. Harlow, Longman, 1993.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLongman Language Activator: The World's First Production Dictionary. Harlow, Longman, 1993, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLongman Language Activator: The World's First Production Dictionary. Harlow, Longman, 1993, 1993.
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