Cita APA (7th ed.)
Peters, P. (2004). The Cambridge guide to English usage. Cambridge University Press.
Cita Chicago (17th ed.)
Peters, Pam. The Cambridge Guide to English Usage. Cambridge ; New York, NY: Cambridge University Press, 2004.
Cita MLA (9th ed.)
Peters, Pam. The Cambridge Guide to English Usage. Cambridge University Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.