APA (7e ed.) Bronvermelding

Não informado. (1994). Insight. British Institute of Non-Destructive Testing.

Chicago (17e ed.) Bronvermelding

Não informado. Insight. Northampton, Inglaterra: British Institute of Non-Destructive Testing, 1994.

MLA (8e ed.) Bronvermelding

Não informado. Insight. British Institute of Non-Destructive Testing, 1994.

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