Cita APA (7th ed.)

Fleming, W., & Varberg, D. E. (1988). Algebra and trigonometry: A problem-solving approach (Third edition.). Prentice Hall.

Cita Chicago (17th ed.)

Fleming, Walter, i Dale E. Varberg. Algebra and Trigonometry: A Problem-solving Approach. Third edition. Englewood Cliffs, N.J: Prentice Hall, 1988.

Cita MLA (9th ed.)

Fleming, Walter, i Dale E. Varberg. Algebra and Trigonometry: A Problem-solving Approach. Third edition. Prentice Hall, 1988.