Gaya APA
DAVIS, D, E.
(1989).
ECOPHILOSOPHY : A FIELD GUIDE TO THE LITERATURE
.
SAN PEDRO:
R&E MILES.
Gaya MLA
DAVIS, DONALD, EDWARD.
"ECOPHILOSOPHY : A FIELD GUIDE TO THE LITERATURE".
SAN PEDRO:
R&E MILES,
1989.
Text.