Eucken, W. (1951). This unsuccessful age: The pains of economic progress. London: William Hodge and Company, LTd.
Trích dẫn kiểu ChicagoEucken, Walter. This Unsuccessful Age: The Pains of Economic Progress. London: William Hodge and Company, LTd, 1951.
MLA引文Eucken, Walter. This Unsuccessful Age: The Pains of Economic Progress. London: William Hodge and Company, LTd, 1951.
警告:这些引文格式不一定是100%准确.