Gaya APA
Ecology:concept applications. (2008).
Bandung:
[s.n.].
Gaya Chicago
Ecology:concept applications.
fourth.
Bandung:
[s.n.],
2008.
Text.
Gaya MLA
Ecology:concept applications.
fourth.
Bandung:
[s.n.],
2008.
Text.
Gaya Turabian
Ecology:concept applications.
Bandung:
[s.n.],
2008.
Print.