Calman, R. F. (1968). Linear programming and cash management: CASH ALPHA. M.I.T. Press.
Cita Chicago (17th ed.)Calman, Robert F. Linear Programming and Cash Management: CASH ALPHA. Cambridge, Mass.,: M.I.T. Press, 1968.
Cita MLA (8th ed.)Calman, Robert F. Linear Programming and Cash Management: CASH ALPHA. M.I.T. Press, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.