Burrows, A., & Virgo, G. (2017). Interest. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Burrows, A., agus G. Virgo. Interest. Cambridge University Press, 2017.
Lua MLA (9ú heag.)Burrows, A., agus G. Virgo. Interest. Cambridge University Press, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.