(2005). STANDARD METHODS FOR THE EXAMINATION OF WATER & WASTEWATER (21.). CENTENNIAL.
Chicago Edition CitationSTANDARD METHODS FOR THE EXAMINATION OF WATER & WASTEWATER. 21. CENTENNIAL, 2005.
MLA Edition CitationSTANDARD METHODS FOR THE EXAMINATION OF WATER & WASTEWATER. 21. CENTENNIAL, 2005.
Warning: These citations may not always be 100% accurate.