APA Style
Sperling, M, V.
(2007).
Activated Sludge and Aerobic Biofilm Reactors
(
volome 5)
.
London:
.
MLA Style
Sperling, Marcos, Von.
"Activated Sludge and Aerobic Biofilm Reactors".
volome 5
London:
,
2007.
Text.