Vince, M. (2000). Essential language practice: Reference and practice for beginning students of American English : with key. Macmillan Heinemann English Language Teaching.
Chicago-viite (17. p.)Vince, Michael. Essential Language Practice: Reference and Practice for Beginning Students of American English : With Key. Oxford, England: Macmillan Heinemann English Language Teaching, 2000.
MLA-viite (8. p.)Vince, Michael. Essential Language Practice: Reference and Practice for Beginning Students of American English : With Key. Macmillan Heinemann English Language Teaching, 2000.
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