(2015). Navigate Coursebook with video and Oxford Online Skills: B1+ Intermediate. Oxford University Press.
Chicago-viite (17. p.)Navigate Coursebook with Video and Oxford Online Skills: B1+ Intermediate. Oxford: Oxford University Press, 2015.
MLA-viite (9. p.)Navigate Coursebook with Video and Oxford Online Skills: B1+ Intermediate. Oxford University Press, 2015.
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