Gaya APA
SAMUELSON,Paul A., NORDHAUS,William D.. (1963).
Economics (12th.ed.).
New York:
McGraw-Hill.
Gaya Chicago
SAMUELSON,Paul A., NORDHAUS,William D..
Economics.
12th.ed.
New York:
McGraw-Hill,
1963.
Teks.
Gaya MLA
SAMUELSON,Paul A., NORDHAUS,William D..
Economics.
12th.ed.
New York:
McGraw-Hill,
1963.
Teks.
Gaya Turabian
SAMUELSON,Paul A., NORDHAUS,William D..
Economics.
12th.ed.
New York:
McGraw-Hill,
1963.
Teks.