APA (7e ed.) Bronvermelding

Não informado. (1997). Systems research and behavioral science. John Wiley & Sons.

Chicago (17e ed.) Bronvermelding

Não informado. Systems Research and Behavioral Science. Chichester, Inglaterra: John Wiley & Sons, 1997.

MLA (8e ed.) Bronvermelding

Não informado. Systems Research and Behavioral Science. John Wiley & Sons, 1997.

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