AWWA wastewater operator field guide
Stubbart John M.Kniha
Citace v seznamu literatury:
STUBBART, John M. AWWA wastewater operator field guide. Denver, CO: American Water Works Association, c2006. ISBN 9781583213865. Dostupné také z: https://proxy.k.utb.cz/login?url=http://app.knovel.com/hotlink/toc/id:kpAWWAWOF5/awwa_wastewater_operator_field_guide.