Gaya APA
Lipsey, Richard G., Steiner, Peter O., Purvis, Douglas D.. (1984).
Economics (7th ed.).
London:
Harfer n Row.
Gaya Chicago
Lipsey, Richard G., Steiner, Peter O., Purvis, Douglas D..
Economics.
7th ed.
London:
Harfer n Row,
1984.
Text.
Gaya MLA
Lipsey, Richard G., Steiner, Peter O., Purvis, Douglas D..
Economics.
7th ed.
London:
Harfer n Row,
1984.
Text.
Gaya Turabian
Lipsey, Richard G., Steiner, Peter O., Purvis, Douglas D..
Economics.
7th ed.
London:
Harfer n Row,
1984.
Print.