Williams, A. (2013). Research: Improve your reading and referencing skills. HarperCollins.
Lua i Stíl Chicago (17ú heag.)Williams, Anneli. Research: Improve Your Reading and Referencing Skills. London: HarperCollins, 2013.
Lua MLA (8ú heag.)Williams, Anneli. Research: Improve Your Reading and Referencing Skills. HarperCollins, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.