Lua APA (7ú heag.)
Peters, P. (2004). The Cambridge guide to English usage. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)
Peters, Pam. The Cambridge Guide to English Usage. Cambridge ; New York, NY: Cambridge University Press, 2004.
Lua MLA (9ú heag.)
Peters, Pam. The Cambridge Guide to English Usage. Cambridge University Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.