Ellis, H., Calne, R. Y., & Watson, C. J. E. (2011). Lecture notes (12th ed.). Blackwell Pub..
Lua i Stíl Chicago (17ú heag.)Ellis, Harold, Roy Yorke Calne, agus Christopher J. E. Watson. Lecture Notes. 12th ed. Chichester, West Sussex, U.K.: Blackwell Pub., 2011.
Lua MLA (9ú heag.)Ellis, Harold, et al. Lecture Notes. 12th ed. Blackwell Pub., 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.