<?xml version="1.0" encoding="UTF-8"?>
<xml><bibliography><APA>Pongsak Noophan และผู้แต่งคนอื่นๆ. (2009) Nitrogen Removal Efficiency at Centralized Domestic Wastewater Treatment Plants in Bangkok, Thailand. &lt;i&gt;EnvironmentAsia&lt;/i&gt;, &lt;i&gt;2&lt;/i&gt;(2), p30-35.</APA><Chicago>Pongsak Noophan และผู้แต่งคนอื่นๆ. "Nitrogen Removal Efficiency at Centralized Domestic Wastewater Treatment Plants in Bangkok, Thailand". EnvironmentAsia  2 (2009):p30-35.</Chicago><MLA>Pongsak Noophan และผู้แต่งคนอื่นๆ. Nitrogen Removal Efficiency at Centralized Domestic Wastewater Treatment Plants in Bangkok, Thailand. Thai Society of Higher Education Institutes on Environment:ม.ป.ท. 2009.</MLA></bibliography></xml>
