APA Style
Samuelson, Paul; William D. Nordhaus. (1989).
Ekonomi jilid 2 Edisi 12 .
:
.
Chicago Style
Samuelson, Paul; William D. Nordhaus.
Ekonomi jilid 2 Edisi 12.
:
,
1989.
.
MLA Style
Samuelson, Paul; William D. Nordhaus.
Ekonomi jilid 2 Edisi 12.
:
,
1989.
.
Turabian Style
Samuelson, Paul; William D. Nordhaus.
Ekonomi jilid 2 Edisi 12.
:
,
1989.
.