Dyfyniad APA

Johr, W. A. S. (1955). Role of the economist as official adviser.

Dyfyniad Arddull Chicago

Johr, W A; Singer. Role of the Economist as Official Adviser. George Allen & Unwin Ltd., London, 1955.

Dyfyniad MLA

Johr, W A; Singer. Role of the Economist as Official Adviser. 1955.

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