APA (7e ed.) Bronvermelding

Não informado. (1972). Machinery and steel. Association of Austrian Machinery and Steel Construction Industries.

Chicago (17e ed.) Bronvermelding

Não informado. Machinery and Steel. Vienna: Association of Austrian Machinery and Steel Construction Industries, 1972.

MLA (8e ed.) Bronvermelding

Não informado. Machinery and Steel. Association of Austrian Machinery and Steel Construction Industries, 1972.

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