Não informado. (1969). Journal of Applied Systems Analysis. University of Lancaster.
Chicagoスタイル(17版)引用形式Não informado. Journal of Applied Systems Analysis. Lancaster, Inglaterra: University of Lancaster, 1969.
MLA(8版)引用形式Não informado. Journal of Applied Systems Analysis. University of Lancaster, 1969.
警告: この引用は必ずしも正確ではありません.