15. Ministry of Industry Mines and Energy. “Drinking Water Quality Standards.” January 2004. http://rdic.org/wp-content/uploads/2014/12/MIME-Drinking-Water-Quality-Standards-2004-en.pdf
15. ក្រសួងឧស្សាហកម្ម រ៉ែ និងថាមពល. មករា ២០០៤. “ស្តង់ដាគុណភាពទឹកផឹក”។ http://rdic.org/wp-content/uploads/2014/12/MIME-Drinking-Water-Quality-Standards-2004-en.pdf