University of Cambridge & University of Cambridge. (2021). IELTS 16 Academic: With answers : authentic practice tests. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUniversity of Cambridge और University of Cambridge. IELTS 16 Academic: With Answers : Authentic Practice Tests. Cambridge: Cambridge University Press, 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUniversity of Cambridge और University of Cambridge. IELTS 16 Academic: With Answers : Authentic Practice Tests. Cambridge University Press, 2021.
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