Não informado. (1975). Rubber industry. Plastics and Rubber Institute.
Chicagoスタイル(17版)引用形式Não informado. Rubber Industry. London: Plastics and Rubber Institute, 1975.
MLA(8版)引用形式Não informado. Rubber Industry. Plastics and Rubber Institute, 1975.
警告: この引用は必ずしも正確ではありません.