Sepulveda, J. A., Souder, W. E., & Gottfried, B. S. (1984). Schaum's Outline of Theory and Problems of Engineering Economics. McGraw Hill.
Cita Chicago (17th ed.)Sepulveda, Jose A., William E. Souder, i Byron S. Gottfried. Schaum's Outline of Theory and Problems of Engineering Economics. New York: McGraw Hill, 1984.
Cita MLA (9th ed.)Sepulveda, Jose A., et al. Schaum's Outline of Theory and Problems of Engineering Economics. McGraw Hill, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.