Gaya APA
Lipsey, Richard G., Steiner, Peter O., Purvis, Dauglas D.. (1984).
Economics, 7th ed. (7th ed.).
s.l.:
HarperCollins College.
Gaya Chicago
Lipsey, Richard G., Steiner, Peter O., Purvis, Dauglas D..
Economics, 7th ed..
7th ed.
s.l.:
HarperCollins College,
1984.
Text.
Gaya MLA
Lipsey, Richard G., Steiner, Peter O., Purvis, Dauglas D..
Economics, 7th ed..
7th ed.
s.l.:
HarperCollins College,
1984.
Text.
Gaya Turabian
Lipsey, Richard G., Steiner, Peter O., Purvis, Dauglas D..
Economics, 7th ed..
7th ed.
s.l.:
HarperCollins College,
1984.
Print.