Adkins, J. (2006). The prentice hall grammar workbook (Second edition.). Pearson/Prentice-Hall.
Chicago-viite (17. p.)Adkins, Jeanette. The Prentice Hall Grammar Workbook. Second edition. Upper Saddle River: Pearson/Prentice-Hall, 2006.
MLA-viite (9. p.)Adkins, Jeanette. The Prentice Hall Grammar Workbook. Second edition. Pearson/Prentice-Hall, 2006.
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