Gaya APA
EASTON, T.
(2009).
Taking Sides Clashing Views On:Environmental Issues
(
fourteenth)
.
Amerika Serikat:
Jemmars.
Gaya MLA
EASTON, Thomas.
"Taking Sides Clashing Views On:Environmental Issues".
fourteenth
Amerika Serikat:
Jemmars,
2009.
Text.