Dyfyniad APA

FAO. (1988). FAO conservation guide N.13.3: Watershed management field manual: slope treatment measures and practices. Rome: FAO.

Dyfyniad Arddull Chicago

FAO. FAO Conservation Guide N.13.3: Watershed Management Field Manual: Slope Treatment Measures and Practices. Rome: FAO, 1988.

Dyfyniad MLA

FAO. FAO Conservation Guide N.13.3: Watershed Management Field Manual: Slope Treatment Measures and Practices. Rome: FAO, 1988.

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