Boyce, J. G., Margolis, L., & Slade, S. (1989). Mathematics for technical and vocational students (8th ed.). Wiley.
Cita Chicago (17th ed.)Boyce, John G., Louis Margolis, i Samuel Slade. Mathematics for Technical and Vocational Students. 8th ed. New York: Wiley, 1989.
Cita MLA (8th ed.)Boyce, John G., et al. Mathematics for Technical and Vocational Students. 8th ed. Wiley, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.