Gaya APA
ENVIRONMENTAL POLICY OBJECTIVES, INSTRUMENTS, AND IMPLEMENTATION. (2000).
NEW YORK:
DIETER HELM.
Gaya Chicago
ENVIRONMENTAL POLICY OBJECTIVES, INSTRUMENTS, AND IMPLEMENTATION.
.
NEW YORK:
DIETER HELM,
2000.
Text.
Gaya MLA
ENVIRONMENTAL POLICY OBJECTIVES, INSTRUMENTS, AND IMPLEMENTATION.
.
NEW YORK:
DIETER HELM,
2000.
Text.
Gaya Turabian
ENVIRONMENTAL POLICY OBJECTIVES, INSTRUMENTS, AND IMPLEMENTATION.
NEW YORK:
DIETER HELM,
2000.
Print.