(2015). Navigate Coursebook with video and Oxford Online Skills: B1+ Intermediate. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNavigate Coursebook with Video and Oxford Online Skills: B1+ Intermediate. Oxford: Oxford University Press, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNavigate Coursebook with Video and Oxford Online Skills: B1+ Intermediate. Oxford University Press, 2015.
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