Cita APA (7a ed.)

Vince, M. (2000). Essential language practice: Reference and practice for beginning students of American English : with key. Macmillan Heinemann English Language Teaching.

Cita Chicago Style (17a ed.)

Vince, Michael. Essential Language Practice: Reference and Practice for Beginning Students of American English : With Key. Oxford, England: Macmillan Heinemann English Language Teaching, 2000.

Cita 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.