APA (7e ed.) Bronvermelding

Não informado. (1983). IT Focus. Institution of Electrical Engineers.

Chicago (17e ed.) Bronvermelding

Não informado. IT Focus. Hitchin, Inglaterra: Institution of Electrical Engineers, 1983.

MLA (8e ed.) Bronvermelding

Não informado. IT Focus. Institution of Electrical Engineers, 1983.

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