Não informado. (1969). Journal of Applied Systems Analysis. University of Lancaster.
Style de citation Chicago (17e éd.)Não informado. Journal of Applied Systems Analysis. Lancaster, Inglaterra: University of Lancaster, 1969.
Style de citation MLA (8e éd.)Não informado. Journal of Applied Systems Analysis. University of Lancaster, 1969.
Attention : ces citations peuvent ne pas être correctes à 100%.