Gaya APA
State of The World : A Worldwatch Institute Report on Progress Toward a Sustainable Society. (1994).
New York:
W.W.Norton Company.
Gaya Chicago
State of The World : A Worldwatch Institute Report on Progress Toward a Sustainable Society.
Pertama.
New York:
W.W.Norton Company,
1994.
Text.
Gaya MLA
State of The World : A Worldwatch Institute Report on Progress Toward a Sustainable Society.
Pertama.
New York:
W.W.Norton Company,
1994.
Text.
Gaya Turabian
State of The World : A Worldwatch Institute Report on Progress Toward a Sustainable Society.
New York:
W.W.Norton Company,
1994.
Print.