Citazione Stile APA (7a Edizione)

Hewson, M., & Sinclair, T. J. (1999). Advanced English Grammar. State University of New York Press.

Citazione stile Chigago Style (17a edizione)

Hewson, Martin, e Timothy J. Sinclair. Advanced English Grammar. New Delhi: State University of New York Press, 1999.

Citatione MLA (9a ed.)

Hewson, Martin, e Timothy J. Sinclair. Advanced English Grammar. State University of New York Press, 1999.