Humphreys, G. (1979). Turning uncertainty to advantage. McGraw-Hill.
Chicagoスタイル(17版)引用形式Humphreys, Gordon. Turning Uncertainty to Advantage. London: McGraw-Hill, 1979.
MLA(9版)引用形式Humphreys, Gordon. Turning Uncertainty to Advantage. McGraw-Hill, 1979.
警告: この引用は必ずしも正確ではありません.