Gaya APA
Degarmo, Paul. (1997).
Ekonomi Teknik (Engineering Economy) Tenth Edition (Ed. 10).
Jakarta:
Prenhallindo.
Gaya Chicago
Degarmo, Paul.
Ekonomi Teknik (Engineering Economy) Tenth Edition.
Ed. 10
Jakarta:
Prenhallindo,
1997.
Text.
Gaya MLA
Degarmo, Paul.
Ekonomi Teknik (Engineering Economy) Tenth Edition.
Ed. 10
Jakarta:
Prenhallindo,
1997.
Text.
Gaya Turabian
Degarmo, Paul.
Ekonomi Teknik (Engineering Economy) Tenth Edition.
Ed. 10
Jakarta:
Prenhallindo,
1997.
Print.