Cita APA (7th ed.)
Eastwood, J. (1999). Oxford practice grammar: With answers (2nd ed.). Oxford University.
Cita Chicago (17th ed.)
Eastwood, John. Oxford Practice Grammar: With Answers. 2nd ed. New York: Oxford University, 1999.
Cita MLA (9th ed.)
Eastwood, John. Oxford Practice Grammar: With Answers. 2nd ed. Oxford University, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.