Gaya APA
Samuelson, Paul A. (2005).
Economics (Ed. 18).
Indonesia:
McGraw-Hill, Inc.
Gaya Chicago
Samuelson, Paul A.
Economics.
Ed. 18
Indonesia:
McGraw-Hill, Inc,
2005.
Text.
Gaya MLA
Samuelson, Paul A.
Economics.
Ed. 18
Indonesia:
McGraw-Hill, Inc,
2005.
Text.
Gaya Turabian
Samuelson, Paul A.
Economics.
Ed. 18
Indonesia:
McGraw-Hill, Inc,
2005.
Print.