Robison, J. (1973). Modern Algebra & Drigonomentry. McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Robison, J. Modern Algebra & Drigonomentry. New York: McGraw Hill, 1973.
Lua MLA (9ú heag.)Robison, J. Modern Algebra & Drigonomentry. McGraw Hill, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.