Phillips, D. T., Ravindran, A., & Solberg, J. J. (1987). Operations Research: Principles and practice (2nd ed.). John Wiley & Sons.
Cita Chicago (17th ed.)Phillips, Don T., A. Ravindran, i James J. Solberg. Operations Research: Principles and Practice. 2nd ed. New York: John Wiley & Sons, 1987.
Cita MLA (9th ed.)Phillips, Don T., et al. Operations Research: Principles and Practice. 2nd ed. John Wiley & Sons, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.