Lynch, B. J., Andrews, L. E., & Keating, H. M. (1985). Maths A year 12. Longman Cheshire.
Lua i Stíl Chicago (17ú heag.)Lynch, B. J., L. E. Andrews, agus H. M. Keating. Maths A Year 12. Melbourne: Longman Cheshire, 1985.
Lua MLA (9ú heag.)Lynch, B. J., et al. Maths A Year 12. Longman Cheshire, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.