Gaya APA
Wardhana, W, A.
(1995).
Dampak pencemaran lingkungan
(
1st ed)
.
Yogyakarta:
Andi Ofset.
Gaya MLA
Wardhana, Wisnu, Arya.
"Dampak pencemaran lingkungan".
1st ed
Yogyakarta:
Andi Ofset,
1995.
Printed Book.