APA-referens (7:e uppl.)

Rutledge, W. (1968). Introduction to algebra for college students (2nd ed.). Prentice-Hall, Inc.

Chicago-referens (17:e uppl.)

Rutledge, William. Introduction to Algebra for College Students. 2nd ed. Englewood Cliffs, New Jersey: Prentice-Hall, Inc, 1968.

MLA-referens (9:e uppl.)

Rutledge, William. Introduction to Algebra for College Students. 2nd ed. Prentice-Hall, Inc, 1968.