Gaya APA
Arnold, Roger A.. (2011).
Principles of macroeconomics (10).
:
South-Western.
Gaya Chicago
Arnold, Roger A..
Principles of macroeconomics.
10
:
South-Western,
2011.
Text.
Gaya MLA
Arnold, Roger A..
Principles of macroeconomics.
10
:
South-Western,
2011.
Text.
Gaya Turabian
Arnold, Roger A..
Principles of macroeconomics.
10
:
South-Western,
2011.
Print.