Stein, E. I. (1970). Basic mathematics for college students (4th ed.). Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Stein, Edward I. Basic Mathematics for College Students. 4th ed. Boston: Allyn and Bacon, 1970.
Lua MLA (9ú heag.)Stein, Edward I. Basic Mathematics for College Students. 4th ed. Allyn and Bacon, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.