DeGarmo, E. P. 1. -., & DeGarmo, E. P. 1. -. (1984). Engineering economy (7. edition.). New York, New York: Macmillan.
Chicago Style CitationDeGarmo, Ernest Paul 1907 -, and Ernest Paul 1907 - DeGarmo. Engineering Economy. 7. edition. New York, New York: Macmillan, 1984.
MLA CitationDeGarmo, Ernest Paul 1907 -, and Ernest Paul 1907 - DeGarmo. Engineering Economy. 7. edition. New York, New York: Macmillan, 1984.
Warning: These citations may not always be 100% accurate.