Sepulveda, J. A., Souder, W. E., & Gottfried, B. S. (1984). Schaum's Outline of Theory and Problems of Engineering Economics. McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Sepulveda, Jose A., William E. Souder, agus Byron S. Gottfried. Schaum's Outline of Theory and Problems of Engineering Economics. New York: McGraw Hill, 1984.
Lua MLA (9ú heag.)Sepulveda, Jose A., et al. Schaum's Outline of Theory and Problems of Engineering Economics. McGraw Hill, 1984.
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