Gaya APA
Samuelson, Paul A., NORDHAUS, William D. (1998).
ECONOMICS (16).
:
.
Gaya Chicago
Samuelson, Paul A., NORDHAUS, William D.
ECONOMICS.
16
:
,
1998.
Text.
Gaya MLA
Samuelson, Paul A., NORDHAUS, William D.
ECONOMICS.
16
:
,
1998.
Text.
Gaya Turabian
Samuelson, Paul A., NORDHAUS, William D.
ECONOMICS.
16
:
,
1998.
Print.