Vince, M. (2000). Essential language practice: Reference and practice for beginning students of American English : with key. Macmillan Heinemann English Language Teaching.
Citazione stile Chigago Style (17a edizione)Vince, Michael. Essential Language Practice: Reference and Practice for Beginning Students of American English : With Key. Oxford, England: Macmillan Heinemann English Language Teaching, 2000.
Citatione MLA (8a ed.)Vince, Michael. Essential Language Practice: Reference and Practice for Beginning Students of American English : With Key. Macmillan Heinemann English Language Teaching, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.