Não informado. (2008). Constitution of the American Water Works Association. American Water Works Association.
Chicagoスタイル(17版)引用形式Não informado. Constitution of the American Water Works Association. New York: American Water Works Association, 2008.
MLA(8版)引用形式Não informado. Constitution of the American Water Works Association. American Water Works Association, 2008.
警告: この引用は必ずしも正確ではありません.