Dyfyniad APA

(1998). Catalogue of conservation practices for agriculture on sloping land. Philippines: SEARCA.

Dyfyniad Arddull Chicago

Catalogue of Conservation Practices for Agriculture On Sloping Land. Philippines: SEARCA, 1998.

Dyfyniad MLA

Catalogue of Conservation Practices for Agriculture On Sloping Land. Philippines: SEARCA, 1998.

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