Gaya APA
Economy and Ecology in Sustaninable Development. (1994).
Jakarta:
[s.n.].
Gaya Chicago
Economy and Ecology in Sustaninable Development.
-.
Jakarta:
[s.n.],
1994.
Text.
Gaya MLA
Economy and Ecology in Sustaninable Development.
-.
Jakarta:
[s.n.],
1994.
Text.
Gaya Turabian
Economy and Ecology in Sustaninable Development.
Jakarta:
[s.n.],
1994.
Print.