Gaya APA
Economic Principles Macroeconomic Theory and Policy. (1971).
U.S.A:
The Macillan Company.
Gaya Chicago
Economic Principles Macroeconomic Theory and Policy.
Pertama.
U.S.A:
The Macillan Company,
1971.
Text.
Gaya MLA
Economic Principles Macroeconomic Theory and Policy.
Pertama.
U.S.A:
The Macillan Company,
1971.
Text.
Gaya Turabian
Economic Principles Macroeconomic Theory and Policy.
U.S.A:
The Macillan Company,
1971.
Print.