Gaya APA
ARNOLD, Roger A.. (1992).
ECONOMICS (2 (Second)).
:
.
Gaya Chicago
ARNOLD, Roger A..
ECONOMICS.
2 (Second)
:
,
1992.
Text.
Gaya MLA
ARNOLD, Roger A..
ECONOMICS.
2 (Second)
:
,
1992.
Text.
Gaya Turabian
ARNOLD, Roger A..
ECONOMICS.
2 (Second)
:
,
1992.
Print.