APA (7e ed.) Bronvermelding

Não informado. (1963). Welding in the world. International Institute of Welding.

Chicago (17e ed.) Bronvermelding

Não informado. Welding in the World. London: International Institute of Welding, 1963.

MLA (8e ed.) Bronvermelding

Não informado. Welding in the World. International Institute of Welding, 1963.

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