E. Paul DeGarmo, W. G. S. (1999). Ekonomi teknik jilid 1. Prehallindo.
Chicago Style (17th ed.) CitationE. Paul DeGarmo, William G. Sullivan. Ekonomi Teknik Jilid 1. Prehallindo, 1999.
MLA (8th ed.) CitationE. Paul DeGarmo, William G. Sullivan. Ekonomi Teknik Jilid 1. Prehallindo, 1999.
Warning: These citations may not always be 100% accurate.