Não informado. (1938). The Paper Industry and Paper World. [s.n.].
Chicagoスタイル(17版)引用形式Não informado. The Paper Industry and Paper World. Chicago, Ill: [s.n.], 1938.
MLA(8版)引用形式Não informado. The Paper Industry and Paper World. [s.n.], 1938.
警告: この引用は必ずしも正確ではありません.