Cita APA

Duckworth, M. (1995). Grammar and practice. Oxford: Oxford University Press.

Chicago Style Citation

Duckworth, Michael. Grammar and Practice. Oxford: Oxford University Press, 1995.

Cita MLA

Duckworth, Michael. Grammar and Practice. Oxford: Oxford University Press, 1995.

Atenció: Aquestes cites poden no estar 100% correctes.