Não informado. (2003). Water Resources Bulletin. American Water Resources Association.
Chicagoスタイル(17版)引用形式Não informado. Water Resources Bulletin. Herndon, Va: American Water Resources Association, 2003.
MLA(8版)引用形式Não informado. Water Resources Bulletin. American Water Resources Association, 2003.
警告: この引用は必ずしも正確ではありません.