Cita APA (7th ed.)

Barnett, R. A., & Ziegler, M. R. (1989). College Algebra (4th ed.). Dellen Publishing Company.

Cita Chicago (17th ed.)

Barnett, Raymond A., i Michael R. Ziegler. College Algebra. 4th ed. San Francisco: Dellen Publishing Company, 1989.

Cita MLA (9th ed.)

Barnett, Raymond A., i Michael R. Ziegler. College Algebra. 4th ed. Dellen Publishing Company, 1989.