APA (7e ed.) Bronvermelding

Não informado. (1999). System development. Applied Computer Research.

Chicago (17e ed.) Bronvermelding

Não informado. System Development. Phoenix, Ariz: Applied Computer Research, 1999.

MLA (8e ed.) Bronvermelding

Não informado. System Development. Applied Computer Research, 1999.

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