Não informado. (1988). Resource Recycling Plastics Recycling Update. Resource Recycling.
Chicagoスタイル(17版)引用形式Não informado. Resource Recycling Plastics Recycling Update. Portland, Ore: Resource Recycling, 1988.
MLA(8版)引用形式Não informado. Resource Recycling Plastics Recycling Update. Resource Recycling, 1988.
警告: この引用は必ずしも正確ではありません.