Gaya APA
DeGarmo, Paul E.. (1997).
Ekonomi Teknik Enginering Economy Tenth Edition (ke 3).
Jakarta:
PT. Prenhallindo.
Gaya Chicago
DeGarmo, Paul E..
Ekonomi Teknik Enginering Economy Tenth Edition.
ke 3
Jakarta:
PT. Prenhallindo,
1997.
Text.
Gaya MLA
DeGarmo, Paul E..
Ekonomi Teknik Enginering Economy Tenth Edition.
ke 3
Jakarta:
PT. Prenhallindo,
1997.
Text.
Gaya Turabian
DeGarmo, Paul E..
Ekonomi Teknik Enginering Economy Tenth Edition.
ke 3
Jakarta:
PT. Prenhallindo,
1997.
Print.