(2009). Calcium and Magnesium in Drinking-Water.
Cita Chicago (17th ed.)Calcium and Magnesium in Drinking-Water. 2009.
Cita MLA (9th ed.)Calcium and Magnesium in Drinking-Water. 2009.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)