APA Style
Case,Karl E (et al). (2007).
Principles of Economics ed.8 .
:
.
Chicago Style
Case,Karl E (et al).
Principles of Economics ed.8.
:
,
2007.
Text.
MLA Style
Case,Karl E (et al).
Principles of Economics ed.8.
:
,
2007.
Text.
Turabian Style
Case,Karl E (et al).
Principles of Economics ed.8.
:
,
2007.
Print.