Dyfyniad APA

Soil & Environment | Soil Science Society of Pakistan (SSSP). Cambridge University Press.

Dyfyniad Arddull Chicago

Soil & Environment | Soil Science Society of Pakistan (SSSP). Cambridge University Press.

Dyfyniad MLA

Soil & Environment | Soil Science Society of Pakistan (SSSP). Cambridge University Press.

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