Ayres, F. J. (1972). Calculus (2nd.). McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Ayres, Frank Jr. Calculus. 2nd. New York: McGraw Hill, 1972.
Lua MLA (9ú heag.)Ayres, Frank Jr. Calculus. 2nd. McGraw Hill, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.