Gaya APA
Lipsey, Richard G....[et.al]. (1993).
Economics (10th. Ed).
united kingdom:
Harper Collins Pub..
Gaya Chicago
Lipsey, Richard G....[et.al].
Economics.
10th. Ed
united kingdom:
Harper Collins Pub.,
1993.
Text.
Gaya MLA
Lipsey, Richard G....[et.al].
Economics.
10th. Ed
united kingdom:
Harper Collins Pub.,
1993.
Text.
Gaya Turabian
Lipsey, Richard G....[et.al].
Economics.
10th. Ed
united kingdom:
Harper Collins Pub.,
1993.
Print.