Degarmo, E. P. S. (1997). Ekonomi Teknik: Engineering Economy tenth edition jilid 1. Prenhallindo.
Chicago Style (17th ed.) CitationDegarmo, E. Paul Sullivan. Ekonomi Teknik: Engineering Economy Tenth Edition Jilid 1. Prenhallindo, 1997.
MLA (8th ed.) CitationDegarmo, E. Paul Sullivan. Ekonomi Teknik: Engineering Economy Tenth Edition Jilid 1. Prenhallindo, 1997.
Warning: These citations may not always be 100% accurate.