Dyfyniad APA

Lewis, W. A. (1949). Overhead costs: Some essays in economic analysis. Allen & Unwin.

Dyfyniad Arddull Chicago

Lewis, W. Arthur. Overhead Costs: Some Essays in Economic Analysis. London: Allen & Unwin, 1949.

Dyfyniad MLA

Lewis, W. Arthur. Overhead Costs: Some Essays in Economic Analysis. Allen & Unwin, 1949.

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