Gaya APA
Lipsey, Richard G.. ().
Economics 4th ed. (ed. 4).
:
Harper & Row.
Gaya Chicago
Lipsey, Richard G..
Economics 4th ed..
ed. 4
:
Harper & Row,
.
Text.
Gaya MLA
Lipsey, Richard G..
Economics 4th ed..
ed. 4
:
Harper & Row,
.
Text.
Gaya Turabian
Lipsey, Richard G..
Economics 4th ed..
ed. 4
:
Harper & Row,
.
Print.