Dyfyniad APA

Roonwal, G. S. (2014). Mining and environmental sustainability (First edition.). Daya Publishing House.

Dyfyniad Arddull Chicago

Roonwal, G. S. Mining and Environmental Sustainability. First edition. New Delhi: Daya Publishing House, 2014.

Dyfyniad MLA

Roonwal, G. S. Mining and Environmental Sustainability. First edition. Daya Publishing House, 2014.

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