Hugh Neill; Douglas Quadling. (2002). Pure Mathematics 1 (International) (Cambridge International Examinations). CAMBRIDGE UNIVERSITY PRESS.
Lua i Stíl Chicago (17ú heag.)Hugh Neill; Douglas Quadling. Pure Mathematics 1 (International) (Cambridge International Examinations). CAMBRIDGE UNIVERSITY PRESS, 2002.
Lua MLA (9ú heag.)Hugh Neill; Douglas Quadling. Pure Mathematics 1 (International) (Cambridge International Examinations). CAMBRIDGE UNIVERSITY PRESS, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.