APA Style
Degarmo, E, P.
(2020).
Ekonomi Teknik : Engineering Economy Tenth Edition
(
Edisi 10)
.
:
PT Prenhallindo.
MLA Style
Degarmo, E., Paul.
"Ekonomi Teknik : Engineering Economy Tenth Edition".
Edisi 10
:
PT Prenhallindo,
2020.
Text.