Collier, C. A., & Ledbetter, W. B. (1988). Engineering economic and cost analysis (2. ed.). Harper & Row.
Chicago Style (17th ed.) CitationCollier, Courtland A., and William B. Ledbetter. Engineering Economic and Cost Analysis. 2. ed. New York u.a: Harper & Row, 1988.
MLA (9th ed.) CitationCollier, Courtland A., and William B. Ledbetter. Engineering Economic and Cost Analysis. 2. ed. Harper & Row, 1988.
Warning: These citations may not always be 100% accurate.