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