Cita APA (7th ed.)

Raymond A. Barnett, M. R. Z. a. K. E. B. (1999). College algebra (6th ed.). WCB/McGraw-Hill.

Cita Chicago (17th ed.)

Raymond A. Barnett, Michael R. Ziegler and Karl E. Byleen. College Algebra. 6th ed. Boston: WCB/McGraw-Hill, 1999.

Cita MLA (9th ed.)

Raymond A. Barnett, Michael R. Ziegler and Karl E. Byleen. College Algebra. 6th ed. WCB/McGraw-Hill, 1999.