Ostwald, P. F. (1974). Cost estimating for engineering and management. New Jersey: Prentice-Hall, Inc..
Citación estilo ChicagoOstwald, Philip F. Cost Estimating for Engineering and Management. New Jersey: Prentice-Hall, Inc., 1974.
Cita MLAOstwald, Philip F. Cost Estimating for Engineering and Management. New Jersey: Prentice-Hall, Inc., 1974.
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