Grant, E. L., & Ireson, W. G. (1970). Principles of engineering economy (5. ed.). Ronald Press.
Chicago Style (17th ed.) CitationGrant, Eugene L., and W. Grant Ireson. Principles of Engineering Economy. 5. ed. New York: Ronald Press, 1970.
MLA (9th ed.) CitationGrant, Eugene L., and W. Grant Ireson. Principles of Engineering Economy. 5. ed. Ronald Press, 1970.