Não informado. (2004). EDS: Environmental Data Service. Environmental Data Service.
Chicagoスタイル(17版)引用形式Não informado. EDS: Environmental Data Service. Washington: Environmental Data Service, 2004.
MLA(8版)引用形式Não informado. EDS: Environmental Data Service. Environmental Data Service, 2004.
警告: この引用は必ずしも正確ではありません.