Dyfyniad APA

Youngson, A. (1972). Economic development in the long run. Allen & Unwin.

Dyfyniad Arddull Chicago

Youngson, A.G. Economic Development in the Long Run. London: Allen & Unwin, 1972.

Dyfyniad MLA

Youngson, A.G. Economic Development in the Long Run. Allen & Unwin, 1972.

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