Julia Burchell. (2018). Cambridge English Teacher's Guide. Harper Collins.
Lua i Stíl Chicago (17ú heag.)Julia Burchell. Cambridge English Teacher's Guide. London: Harper Collins, 2018.
Lua MLA (9ú heag.)Julia Burchell. Cambridge English Teacher's Guide. Harper Collins, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.