McLendon, L. (2017). The perfect English grammar workbook: Simple rules and quizzes to master today's English language. Callisto Publishing.
Chicago-viite (17. p.)McLendon, Lisa. The Perfect English Grammar Workbook: Simple Rules and Quizzes to Master Today's English Language. NAperville, Illinois: Callisto Publishing, 2017.
MLA-viite (9. p.)McLendon, Lisa. The Perfect English Grammar Workbook: Simple Rules and Quizzes to Master Today's English Language. Callisto Publishing, 2017.
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