Gaya APA
Nugroho, B. (2003).
Ekonomi Keteknikan = Engineering Economic : Analisis Finansial Investasi Kehutanan & Pertanian .
Bogor:
IPB.
Gaya MLA
Nugroho, Bramasto.
"Ekonomi Keteknikan = Engineering Economic : Analisis Finansial Investasi Kehutanan & Pertanian".
Bogor:
IPB,
2003.
Text.