Não informado. (1953). Technical journal of the brush group limited. Hawker Siddeley Group.
Chicago (17e ed.) BronvermeldingNão informado. Technical Journal of the Brush Group Limited. London: Hawker Siddeley Group, 1953.
MLA (8e ed.) BronvermeldingNão informado. Technical Journal of the Brush Group Limited. Hawker Siddeley Group, 1953.
Let op: Deze citaties zijn niet altijd 100% accuraat.