Agua: su calidad y tratamiento

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi rangatōpū: American Water Works Association (Author)
Hōputu: Pukapuka
Reo:Pāniora
I whakaputaina: Ciudad de México UTEHA 1968
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!

Ngā tūemi rite