Gaya APA
Westney, R, E.
(1997).
[Ebook] The Engineers Cost Handbook
(
Cetakan 10)
.
Amerika:
Marcel Decker.
Gaya MLA
Westney, Richard, E..
"[Ebook] The Engineers Cost Handbook".
Cetakan 10
Amerika:
Marcel Decker,
1997.
Ebook.