Gaya APA
Wanielista, M, P., Eckerfelder, W, W. (1978).
Advances in Water and Wastewater Treatment Biological Nutruent Removal .
Florida:
.
Gaya MLA
Wanielista, Martin, P.D.., Eckerfelder, W., Wesley..
"Advances in Water and Wastewater Treatment Biological Nutruent Removal".
Florida:
,
1978.
Text.