Bradley, S. P., Hax, A. C., & Magnanti, T. L. (1977). Applied mathematical programming. Addison-Wesley Pub. Co..

Bradley, Stephen P., Arnoldo C. Hax, and Thomas L. Magnanti. Applied Mathematical Programming. Reading, Mass.: Addison-Wesley Pub. Co., 1977.

Bradley, Stephen P., et al. Applied Mathematical Programming. Addison-Wesley Pub. Co., 1977.