TRAVERS, K. J., DALTON, L. C., & LAYTON, K. P. (1990). Algebra 2: With trigonometry. Glencoe.
Cita Chicago (17th ed.)TRAVERS, Kenneth J., LeRoy C. DALTON, i Katherine P. LAYTON. Algebra 2: With Trigonometry. Mission Hills: Glencoe, 1990.
Cita MLA (9th ed.)TRAVERS, Kenneth J., et al. Algebra 2: With Trigonometry. Glencoe, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.