YouTube. Webinar | Lead in the Water, Policy Options to Replacing Lead Service Lines.
Chicago-viite (17. p.)YouTube. Webinar | Lead in the Water, Policy Options to Replacing Lead Service Lines.
MLA-viite (9. p.)YouTube. Webinar | Lead in the Water, Policy Options to Replacing Lead Service Lines.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.