Penggayaan APA
Martin O, Connor. (1999).
Valuation and the Environment .
:
.
Chicago Style
Martin O, Connor.
Valuation and the Environment.
:
,
1999.
Text.
MLA Style
Martin O, Connor.
Valuation and the Environment.
:
,
1999.
Text.
Turabian Style
Martin O, Connor.
Valuation and the Environment.
:
,
1999.
Print.