Não informado. (1956). Fibres, engineering and chemistry. Leonard Hill Technical Group.
Chicago-Zitierstil (17. Ausg.)Não informado. Fibres, Engineering and Chemistry. London: Leonard Hill Technical Group, 1956.
MLA-Zitierstil (8. Ausg.)Não informado. Fibres, Engineering and Chemistry. Leonard Hill Technical Group, 1956.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.