Cita APA (7th ed.)
Barnett, R. A., Ziegler, M. R., & Byleen, K. E. (2001). College algebra with trigonometry (7th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Barnett, Raymond A., Michael R. Ziegler, i Karl E. Byleen. College Algebra with Trigonometry. 7th ed. Boston: McGraw-Hill, 2001.
Cita MLA (9th ed.)
Barnett, Raymond A., et al. College Algebra with Trigonometry. 7th ed. McGraw-Hill, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.