Riley, K., & Parker, F. English grammar, prescriptive, descriptive, generative, performance.
Cita Chicago (17th ed.)Riley, Kathryn, i Frank Parker. English Grammar, Prescriptive, Descriptive, Generative, Performance.
Cita MLA (8th ed.)Riley, Kathryn, i Frank Parker. English Grammar, Prescriptive, Descriptive, Generative, Performance.
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