APA-viite (7. p.)

DeGarmo,E.Paul. (1979). Engineering economy (6th.ed.). Macmillan.

Chicago-viite (17. p.)

DeGarmo,E.Paul. Engineering Economy. 6th.ed. New York: Macmillan, 1979.

MLA-viite (9. p.)

DeGarmo,E.Paul. Engineering Economy. 6th.ed. Macmillan, 1979.