Dyfyniad APA
Chahar, B. R. (2015). Groundwater hydrology. McGraw Hill Education (I) Pvt. Ltd.
Dyfyniad Arddull Chicago
Chahar, Bhagu R. Groundwater Hydrology. New Delhi: McGraw Hill Education (I) Pvt. Ltd, 2015.
Dyfyniad MLA
Chahar, Bhagu R. Groundwater Hydrology. McGraw Hill Education (I) Pvt. Ltd, 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.