Gaya APA
Wright, Richard T.,. (2008).
Environmental science :toward a sustainable future (10).
:
Pearson,.
Gaya Chicago
Wright, Richard T.,.
Environmental science :toward a sustainable future.
10
:
Pearson,,
2008.
Text.
Gaya MLA
Wright, Richard T.,.
Environmental science :toward a sustainable future.
10
:
Pearson,,
2008.
Text.
Gaya Turabian
Wright, Richard T.,.
Environmental science :toward a sustainable future.
10
:
Pearson,,
2008.
Print.