Sullivan, William G. Engineering economy / William G. Sullivan, Elin M. Wicks and C. Patrick Koelling - 15th ed. - Boston : Prentice Hall, c2012. - 660 p. : ill. ; 24 cm. ISBN: 9780273751533 LCCN: Subjects--Topical Terms: Engineering economy LC Class. No.: TA177.4 / .S85 2012