Hanssmann, F. (1968). Operations research techniques for capital investment. Wiley.
Cita Chicago (17th ed.)Hanssmann, Fred. Operations Research Techniques for Capital Investment. New York: Wiley, 1968.
Cita MLA (8th ed.)Hanssmann, Fred. Operations Research Techniques for Capital Investment. Wiley, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.