Dyfyniad APA

Western Agricultural Economics Association. (1992). Journal of agricultural and resource economics. Western Agricultural Economics Association.

Dyfyniad Arddull Chicago

Western Agricultural Economics Association. Journal of Agricultural and Resource Economics. Bozeman, MT: Western Agricultural Economics Association, 1992.

Dyfyniad MLA

Western Agricultural Economics Association. Journal of Agricultural and Resource Economics. Western Agricultural Economics Association, 1992.

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