Cita APA

American Water Works Association, & Valentine, M. (2010). Water quality: Student workbook /Melissa Valentine, ed. Estados Unidos de América: American Works Association.

Citación estilo Chicago

American Water Works Association, y Melissa Valentine. Water Quality: Student Workbook /Melissa Valentine, Ed. Estados Unidos de América: American Works Association, 2010.

Cita MLA

American Water Works Association, y Melissa Valentine. Water Quality: Student Workbook /Melissa Valentine, Ed. Estados Unidos de América: American Works Association, 2010.