Gaya APA
Samuelson, Paul A. (1998).
Macro Economics. 6 Ed (6).
New york:
McGraw-Hill.
Gaya Chicago
Samuelson, Paul A.
Macro Economics. 6 Ed.
6
New york:
McGraw-Hill,
1998.
Text.
Gaya MLA
Samuelson, Paul A.
Macro Economics. 6 Ed.
6
New york:
McGraw-Hill,
1998.
Text.
Gaya Turabian
Samuelson, Paul A.
Macro Economics. 6 Ed.
6
New york:
McGraw-Hill,
1998.
Print.