Dyfyniad APA

Critchley, W. (1992). Water harvesting for plant production. World Bank.

Dyfyniad Arddull Chicago

Critchley, William. Water Harvesting for Plant Production. Washington, D.C: World Bank, 1992.

Dyfyniad MLA

Critchley, William. Water Harvesting for Plant Production. World Bank, 1992.

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