Dyfyniad APA

Champernowne D.G. (1969). Uncertainty and Estimation in Economics (Ist edition 1969.). Holden Day.

Dyfyniad Arddull Chicago

Champernowne D.G. Uncertainty and Estimation in Economics. Ist edition 1969. [s.l]: Holden Day, 1969.

Dyfyniad MLA

Champernowne D.G. Uncertainty and Estimation in Economics. Ist edition 1969. Holden Day, 1969.

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