APA (7e ed.) Bronvermelding

Não informado. (1959). Welding Production. British Welding Research Association.

Chicago (17e ed.) Bronvermelding

Não informado. Welding Production. Cambridge, Inglaterra: British Welding Research Association, 1959.

MLA (8e ed.) Bronvermelding

Não informado. Welding Production. British Welding Research Association, 1959.

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