DUCKWORTH, W. (1977). A guide Operational Research W.e Duckworth. Chapman And Hall.
Chicagoスタイル(17版)引用形式DUCKWORTH, W.E. A Guide Operational Research W.e Duckworth. Chapman And Hall, 1977.
MLA(8版)引用形式DUCKWORTH, W.E. A Guide Operational Research W.e Duckworth. Chapman And Hall, 1977.
警告: この引用は必ずしも正確ではありません.