Não informado. (2001). Water services. Fuel and Metallurgical Journals.
Chicagoスタイル(17版)引用形式Não informado. Water Services. Redhill, Inglaterra: Fuel and Metallurgical Journals, 2001.
MLA(8版)引用形式Não informado. Water Services. Fuel and Metallurgical Journals, 2001.
警告: この引用は必ずしも正確ではありません.