Não informado. (1950). Operational Research Quarterly. Operational Research Club.
Chicagoスタイル(17版)引用形式Não informado. Operational Research Quarterly. London: Operational Research Club, 1950.
MLA(8版)引用形式Não informado. Operational Research Quarterly. Operational Research Club, 1950.
警告: この引用は必ずしも正確ではありません.