Gaya APA
Sepulveda, J, A., Souder, W, E.
(1986).
Engineering Economics
.
Newdelhi:
McGraw-hill book company.
Gaya MLA
Sepulveda, Jose, A.., Souder, William, E..
"Engineering Economics".
Newdelhi:
McGraw-hill book company,
1986.
Text.