Não informado. (1991). International Journal of Environment and Pollution. Inderscience Enterprises.
Chicagoスタイル(17版)引用形式Não informado. International Journal of Environment and Pollution. Geneva, Suíça: Inderscience Enterprises, 1991.
MLA(8版)引用形式Não informado. International Journal of Environment and Pollution. Inderscience Enterprises, 1991.
警告: この引用は必ずしも正確ではありません.