DeGarmo, E Paul Engineering economy / E. Paul De Garmo, Wiliam G. Sullivan, James A Bontadelli. - Eighth edition. - New York : Macmillan Publishing company, c1990. - xv, 765 pages : illustrations ; 24 cm. Includes bibliographical references and index. ISBN: 0029461391 (Pbk.) Subjects--Topical Terms: Engineering economy. LC Class. No.: TA177.4 / .D44 1990