Gaya APA
dkk, C, F.
(2008).
Audit Lingkungan
.
YOGYAKARTA:
Gadjah Mada University Press.
Gaya MLA
dkk, Chafid, Fandeli,.
"Audit Lingkungan".
YOGYAKARTA:
Gadjah Mada University Press,
2008.
Text.