Sepulveda, J. A., Souder, W. E., & Gottfried, B. S. (1984). Schaum's Outline of Theory and Problems of Engineering Economics. McGraw Hill.
Dyfyniad Arddull ChicagoSepulveda, Jose A., William E. Souder, and Byron S. Gottfried. Schaum's Outline of Theory and Problems of Engineering Economics. New York: McGraw Hill, 1984.
Dyfyniad MLASepulveda, Jose A., et al. Schaum's Outline of Theory and Problems of Engineering Economics. McGraw Hill, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.