Gaya APA
Environmental Politics and Policy. (1990).
Washington:
Congreessonal Quartely press.
Gaya Chicago
Environmental Politics and Policy.
Kedua.
Washington:
Congreessonal Quartely press,
1990.
Text.
Gaya MLA
Environmental Politics and Policy.
Kedua.
Washington:
Congreessonal Quartely press,
1990.
Text.
Gaya Turabian
Environmental Politics and Policy.
Washington:
Congreessonal Quartely press,
1990.
Print.