Não informado. (1981). BioCycle: Journal of waste recycling. JG Press.
Chicagoスタイル(17版)引用形式Não informado. BioCycle: Journal of Waste Recycling. Emmaus, Pa: JG Press, 1981.
MLA(8版)引用形式Não informado. BioCycle: Journal of Waste Recycling. JG Press, 1981.
警告: この引用は必ずしも正確ではありません.