APA (7e ed.) Bronvermelding

Não informado. (2018). Progress in Non-Destructive Testing. Heywood.

Chicago (17e ed.) Bronvermelding

Não informado. Progress in Non-Destructive Testing. London: Heywood, 2018.

MLA (8e ed.) Bronvermelding

Não informado. Progress in Non-Destructive Testing. Heywood, 2018.

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