Dyfyniad APA

Hanley, N. (1991). Farming and the countryside: An economic analysis of external costs and benefits. CAB International.

Dyfyniad Arddull Chicago

Hanley, Nick. Farming and the Countryside: An Economic Analysis of External Costs and Benefits. U.K: CAB International, 1991.

Dyfyniad MLA

Hanley, Nick. Farming and the Countryside: An Economic Analysis of External Costs and Benefits. CAB International, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.