APA (7 वां संस्करण) प्रशस्ति पत्र
Division of Humanities and Social Sciences. (2002). English for engineers and technologists: A skill approach (2nd ed.). Orient Longman.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Division of Humanities and Social Sciences. English for Engineers and Technologists: A Skill Approach. 2nd ed. Chennai: Orient Longman, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Division of Humanities and Social Sciences. English for Engineers and Technologists: A Skill Approach. 2nd ed. Orient Longman, 2002.
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