Gaya APA
Dolan, E, G., Lindsey, D, E.
(1988).
Economics
(
5th ed)
.
Chicago:
The Dryden Press.
Gaya MLA
Dolan, Edwin, G.., Lindsey, David, E..
"Economics".
5th ed
Chicago:
The Dryden Press,
1988.
Printed Book.