Dyfyniad APA

HALLETT, G. (1981). The Economics of agricultural policy. Basil Blackwell.

Dyfyniad Arddull Chicago

HALLETT, Graham. The Economics of Agricultural Policy. Oxford: Basil Blackwell, 1981.

Dyfyniad MLA

HALLETT, Graham. The Economics of Agricultural Policy. Basil Blackwell, 1981.

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