Gaya APA
Theroux, F, R. et al (2008).
Laboratory manual for chemical and bacterial analysis of water and sewage .
Jodhpur(India):
Agrobios.
Gaya MLA
Theroux, Frank, R.. et al.
"Laboratory manual for chemical and bacterial analysis of water and sewage".
Jodhpur(India):
Agrobios,
2008.
Text.