APA-referens (7:e uppl.)

Angel, A. R. (1992). Elementary algebra for college students (3rd ed.). Prentice hall.

Chicago-referens (17:e uppl.)

Angel, Allen R. Elementary Algebra for College Students. 3rd ed. New Jersey: Prentice hall, 1992.

MLA-referens (9:e uppl.)

Angel, Allen R. Elementary Algebra for College Students. 3rd ed. Prentice hall, 1992.