Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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