APA Style
Samuel,Paul A. ;Wiliam D. Nordhaus. (2007).
Economics Fourteen .
:
.
Chicago Style
Samuel,Paul A. ;Wiliam D. Nordhaus.
Economics Fourteen.
:
,
2007.
.
MLA Style
Samuel,Paul A. ;Wiliam D. Nordhaus.
Economics Fourteen.
:
,
2007.
.
Turabian Style
Samuel,Paul A. ;Wiliam D. Nordhaus.
Economics Fourteen.
:
,
2007.
.