Gaya APA
Samuelson, Paul A., NORDHAUS, William D. (2005).
ECONOMICS (18th).
:
.
Gaya Chicago
Samuelson, Paul A., NORDHAUS, William D.
ECONOMICS.
18th
:
,
2005.
Text.
Gaya MLA
Samuelson, Paul A., NORDHAUS, William D.
ECONOMICS.
18th
:
,
2005.
Text.
Gaya Turabian
Samuelson, Paul A., NORDHAUS, William D.
ECONOMICS.
18th
:
,
2005.
Print.