P, G. M. (2006). Quantative Techniques: For Decision Making (1st edition.). Prentice-Hall.
Cita Chicago (17th ed.)P, Gupta M. Quantative Techniques: For Decision Making. 1st edition. New Delhi: Prentice-Hall, 2006.
Cita MLA (9th ed.)P, Gupta M. Quantative Techniques: For Decision Making. 1st edition. Prentice-Hall, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.