Gaya APA
DeGarmo, Paul E.. (1997).
Tenth EditionEkonomi Teknik Engineering Economy (edisi 2).
Jakarta:
PT. Prenhallindo.
Gaya Chicago
DeGarmo, Paul E..
Tenth EditionEkonomi Teknik Engineering Economy.
edisi 2
Jakarta:
PT. Prenhallindo,
1997.
Text.
Gaya MLA
DeGarmo, Paul E..
Tenth EditionEkonomi Teknik Engineering Economy.
edisi 2
Jakarta:
PT. Prenhallindo,
1997.
Text.
Gaya Turabian
DeGarmo, Paul E..
Tenth EditionEkonomi Teknik Engineering Economy.
edisi 2
Jakarta:
PT. Prenhallindo,
1997.
Print.