Gaya APA
DeGarmo, E. Paul. (1984).
Engineering economy (text).
New York:
Macmillan.
Gaya Chicago
DeGarmo, E. Paul.
Engineering economy.
text
New York:
Macmillan,
1984.
.
Gaya MLA
DeGarmo, E. Paul.
Engineering economy.
text
New York:
Macmillan,
1984.
.
Gaya Turabian
DeGarmo, E. Paul.
Engineering economy.
text
New York:
Macmillan,
1984.
.