Rutledge, W. (1968). Introduction to algebra for college students (2nd ed.). Prentice-Hall, Inc.
Lua i Stíl Chicago (17ú heag.)Rutledge, William. Introduction to Algebra for College Students. 2nd ed. Englewood Cliffs, New Jersey: Prentice-Hall, Inc, 1968.
Lua MLA (9ú heag.)Rutledge, William. Introduction to Algebra for College Students. 2nd ed. Prentice-Hall, Inc, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.