Gaya APA
Samuelson, Paul A., Nordhaus, William D.. (2005).
Economics Paul A. Samuelson, William D. Nordhaus (18th ed).
New York:
McGraw Hill.
Gaya Chicago
Samuelson, Paul A., Nordhaus, William D..
Economics Paul A. Samuelson, William D. Nordhaus.
18th ed
New York:
McGraw Hill,
2005.
Text.
Gaya MLA
Samuelson, Paul A., Nordhaus, William D..
Economics Paul A. Samuelson, William D. Nordhaus.
18th ed
New York:
McGraw Hill,
2005.
Text.
Gaya Turabian
Samuelson, Paul A., Nordhaus, William D..
Economics Paul A. Samuelson, William D. Nordhaus.
18th ed
New York:
McGraw Hill,
2005.
Print.