Cita APA (7a ed.)
Swan, M. (1990). Basic English Usage (9.impression.). Oxford University Press.
Cita Chicago Style (17a ed.)
Swan, Michael. Basic English Usage. 9.impression. Oxford: Oxford University Press, 1990.
Cita MLA (9a ed.)
Swan, Michael. Basic English Usage. 9.impression. Oxford University Press, 1990.
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