Dyfyniad APA

Knowles, L. C. A. (1936). Economic development in the nineteenth century. G. Routledge & sons, ltd..

Dyfyniad Arddull Chicago

Knowles, L. C. A. Economic Development in the Nineteenth Century. G. Routledge & sons, ltd., 1936.

Dyfyniad MLA

Knowles, L. C. A. Economic Development in the Nineteenth Century. G. Routledge & sons, ltd., 1936.

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