Cita APA (7a ed.)
Eastwood, J. (1999). Oxford practice grammar: With answers (2nd ed.). Oxford University.
Cita Chicago Style (17a ed.)
Eastwood, John. Oxford Practice Grammar: With Answers. 2nd ed. New York: Oxford University, 1999.
Cita MLA (9a ed.)
Eastwood, John. Oxford Practice Grammar: With Answers. 2nd ed. Oxford University, 1999.
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