Dyfyniad APA

Ghildyal, B. P. (1987). Soil physics. Wiley Eastern Limited.

Dyfyniad Arddull Chicago

Ghildyal, B P. Soil Physics. New Delhi: Wiley Eastern Limited, 1987.

Dyfyniad MLA

Ghildyal, B P. Soil Physics. Wiley Eastern Limited, 1987.

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