Gaya APA
SAMUELSON, Paul A., William D. Nordhaus. (1995).
Economics (15th. ed.).
New York:
McGraw-Hill.
Gaya Chicago
SAMUELSON, Paul A., William D. Nordhaus.
Economics.
15th. ed.
New York:
McGraw-Hill,
1995.
Textbook.
Gaya MLA
SAMUELSON, Paul A., William D. Nordhaus.
Economics.
15th. ed.
New York:
McGraw-Hill,
1995.
Textbook.
Gaya Turabian
SAMUELSON, Paul A., William D. Nordhaus.
Economics.
15th. ed.
New York:
McGraw-Hill,
1995.
Textbook.