APA (7e ed.) Bronvermelding

Não informado. (1956). Fibres, engineering and chemistry. Leonard Hill Technical Group.

Chicago (17e ed.) Bronvermelding

Não informado. Fibres, Engineering and Chemistry. London: Leonard Hill Technical Group, 1956.

MLA (8e ed.) Bronvermelding

Não informado. Fibres, Engineering and Chemistry. Leonard Hill Technical Group, 1956.

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