Não informado. (2001). Resources, Conservation and Recycling. Editions Elsevier.
Chicagoスタイル(17版)引用形式Não informado. Resources, Conservation and Recycling. Amsterdam: Editions Elsevier, 2001.
MLA(8版)引用形式Não informado. Resources, Conservation and Recycling. Editions Elsevier, 2001.
警告: この引用は必ずしも正確ではありません.