Sahanaya, W., & Lindeck, J. (2002). IELTS preparation and practice: Listening and speaking (Second edition.). Oxford University Press.
Chicago-viite (17. p.)Sahanaya, Wendy, ja Jeremy Lindeck. IELTS Preparation and Practice: Listening and Speaking. Second edition. Oxford: Oxford University Press, 2002.
MLA-viite (8. p.)Sahanaya, Wendy, ja Jeremy Lindeck. IELTS Preparation and Practice: Listening and Speaking. Second edition. Oxford University Press, 2002.
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