Hydro
Tham khảo
Sách
- Green Wood, N. N.; Earnshaw, A., bt. (1997), Chemistry of the Elements (lxb. 2), Elsevier, doi:10.1016/C2009-0-30414-6, ISBN 978-0-7506-3365-9
- Enghag, Per (2004), Encyclopedia of the Elements, Wiley, doi:10.1002/9783527612338, ISBN 978-3-527-61233-8
- Newton, David E. (2010), Chemical Elements (lxb. 2), Gale, ISBN 978-1-4144-7608-7