Cita APA

John Sinclair. (1995). Collins Cobuild English guides: Homophones. London: HarperCollins.

Chicago Style Citation

John Sinclair. Collins Cobuild English Guides: Homophones. London: HarperCollins, 1995.

Cita MLA

John Sinclair. Collins Cobuild English Guides: Homophones. London: HarperCollins, 1995.

Atenció: Aquestes cites poden no estar 100% correctes.