Dyfyniad APA

Diagnosis and improvement of saline and alkali soils.

Dyfyniad Arddull Chicago

Diagnosis and Improvement of Saline and Alkali Soils.

Dyfyniad MLA

Diagnosis and Improvement of Saline and Alkali Soils.

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