Rees, P. (1954). College algebra (3rd.). Mc Graw Hill Book Co.
Lua i Stíl Chicago (17ú heag.)Rees, P. College Algebra. 3rd. London: Mc Graw Hill Book Co, 1954.
Lua MLA (9ú heag.)Rees, P. College Algebra. 3rd. Mc Graw Hill Book Co, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.