Gaya APA
Grant, L.
(1982).
Principles Of Engineering Economy
(
cet. 7 ed.7)
.
Canada:
Johm Wiley & Sons Inc.
Gaya MLA
Grant, Leugene.
"Principles Of Engineering Economy".
cet. 7 ed.7
Canada:
Johm Wiley & Sons Inc,
1982.
Text.