Cyriax, G. (1978). World index of economic forecasts. Gower Press.
Chicagoスタイル(17版)引用形式Cyriax, George. World Index of Economic Forecasts. Farnborough, Eng.: Gower Press, 1978.
MLA(8版)引用形式Cyriax, George. World Index of Economic Forecasts. Gower Press, 1978.
警告: この引用は必ずしも正確ではありません.