APA (7e ed.) Bronvermelding

Não informado. (1938). The Paper Industry and Paper World. [s.n.].

Chicago (17e ed.) Bronvermelding

Não informado. The Paper Industry and Paper World. Chicago, Ill: [s.n.], 1938.

MLA (8e ed.) Bronvermelding

Não informado. The Paper Industry and Paper World. [s.n.], 1938.

Let op: Deze citaties zijn niet altijd 100% accuraat.