APA Style
De Gorma, Ernest Paul. (1993).
Engineering Economy Ninth Edition .
:
Macmillan.
Chicago Style
De Gorma, Ernest Paul.
Engineering Economy Ninth Edition.
:
Macmillan,
1993.
.
MLA Style
De Gorma, Ernest Paul.
Engineering Economy Ninth Edition.
:
Macmillan,
1993.
.
Turabian Style
De Gorma, Ernest Paul.
Engineering Economy Ninth Edition.
:
Macmillan,
1993.
.