Mackin, R. (1962). Exercises in English Patterns and Usage (1st ed., repr.). Oxford University Press.
Cita Chicago Style (17a ed.)Mackin, Ronald. Exercises in English Patterns and Usage. 1st ed., repr. London: Oxford University Press, 1962.
Cita MLA (9a ed.)Mackin, Ronald. Exercises in English Patterns and Usage. 1st ed., repr. Oxford University Press, 1962.
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