APA (7e ed.) Bronvermelding

Não informado. (1953). Fibres, natural and synthetic. Leonard Hill Technical Group.

Chicago (17e ed.) Bronvermelding

Não informado. Fibres, Natural and Synthetic. London: Leonard Hill Technical Group, 1953.

MLA (8e ed.) Bronvermelding

Não informado. Fibres, Natural and Synthetic. Leonard Hill Technical Group, 1953.

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