Takeasecondlooknews. Professor Paul Connett- Your Toxic Tap Water (on the use of hexafluorosilicic acid).
Chicago-viite (17. p.)Takeasecondlooknews. Professor Paul Connett- Your Toxic Tap Water (on the Use of Hexafluorosilicic Acid).
MLA-viite (9. p.)Takeasecondlooknews. Professor Paul Connett- Your Toxic Tap Water (on the Use of Hexafluorosilicic Acid).
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.