Jöhr, W. A., & Singer, H. W. (1955). The role of the economist as official adviser. Allen & Unwin.
Citace podle Chicago (17th ed.)Jöhr, Walter Adolf, a Hans Wolfgang Singer. The Role of the Economist as Official Adviser. London: Allen & Unwin, 1955.
Citace podle MLA (8th ed.)Jöhr, Walter Adolf, a Hans Wolfgang Singer. The Role of the Economist as Official Adviser. Allen & Unwin, 1955.
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