Citazione Stile APA (7a Edizione)

Hirsch, L., & Goodman, A. (1998). Understanding intermediate algebra: A course for college students (4th ed.). Brooks/Cole Publishing.

Citazione stile Chigago Style (17a edizione)

Hirsch, Lewis, e Arthur Goodman. Understanding Intermediate Algebra: A Course for College Students. 4th ed. Pacific Grove, Calif: Brooks/Cole Publishing, 1998.

Citatione MLA (9a ed.)

Hirsch, Lewis, e Arthur Goodman. Understanding Intermediate Algebra: A Course for College Students. 4th ed. Brooks/Cole Publishing, 1998.