Gaya APA
Thuesen, G, J., Fabrycky, W.
(2001).
Engineering economy
(
9th Ed.)
.
New Delhi:
Prentice-Hall of India.
Gaya MLA
Thuesen, G., J.., Fabrycky, W.J..
"Engineering economy".
9th Ed.
New Delhi:
Prentice-Hall of India,
2001.
Text.