Gaya APA
Thuesen, G.J.. (1993).
Engineering economy .
New Jersey:
Prentice-Hall International.
Gaya Chicago
Thuesen, G.J..
Engineering economy.
New Jersey:
Prentice-Hall International,
1993.
.
Gaya MLA
Thuesen, G.J..
Engineering economy.
New Jersey:
Prentice-Hall International,
1993.
.
Gaya Turabian
Thuesen, G.J..
Engineering economy.
New Jersey:
Prentice-Hall International,
1993.
.