Sullivan, W. G., Wicks, E. M., & Koelling, C. P. (2009). Engineering economy (14th ed.). Pearson Education.
Chicago Style (17. basım) AtıfSullivan, William G., Elin M. Wicks, ve C. Patrick Koelling. Engineering Economy. 14th ed. Upper Saddle River, N.J: Pearson Education, 2009.
MLA (9th ed.) AtıfSullivan, William G., et al. Engineering Economy. 14th ed. Pearson Education, 2009.
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