Hadley, G. (1962). Linear programming. Addison-Wesley Pub. Co.
Cita Chicago (17th ed.)Hadley, G. Linear Programming. Reading, Mass: Addison-Wesley Pub. Co, 1962.
Cita MLA (9th ed.)Hadley, G. Linear Programming. Addison-Wesley Pub. Co, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.