Gaya APA
Samuelson, Paul A., Nordhaus, William D. (peng.tambahan). (1995).
Economics (15th ed.).
New York:
McGraw-Hill.
Gaya Chicago
Samuelson, Paul A., Nordhaus, William D. (peng.tambahan).
Economics.
15th ed.
New York:
McGraw-Hill,
1995.
Text.
Gaya MLA
Samuelson, Paul A., Nordhaus, William D. (peng.tambahan).
Economics.
15th ed.
New York:
McGraw-Hill,
1995.
Text.
Gaya Turabian
Samuelson, Paul A., Nordhaus, William D. (peng.tambahan).
Economics.
15th ed.
New York:
McGraw-Hill,
1995.
Print.