American Water Works Association, & Valentine, M. (2010). Water quality: Student workbook /Melissa Valentine, ed. Estados Unidos de América: American Works Association.
Chicago Style CitationAmerican Water Works Association, and Melissa Valentine. Water Quality: Student Workbook /Melissa Valentine, Ed. Estados Unidos de América: American Works Association, 2010.
MLA CitationAmerican Water Works Association, and Melissa Valentine. Water Quality: Student Workbook /Melissa Valentine, Ed. Estados Unidos de América: American Works Association, 2010.
Warning: These citations may not always be 100% accurate.