Não informado. (1997). Systems research and behavioral science. John Wiley & Sons.
Style de citation Chicago (17e éd.)Não informado. Systems Research and Behavioral Science. Chichester, Inglaterra: John Wiley & Sons, 1997.
Style de citation MLA (8e éd.)Não informado. Systems Research and Behavioral Science. John Wiley & Sons, 1997.
Attention : ces citations peuvent ne pas être correctes à 100%.