Dyfyniad APA
Todd, D. K., & Mays, L. W. (2021). Groundwater Hydrology (3rd ed.). Wiley.
Dyfyniad Arddull Chicago
Todd, David Keith, and Larry W. Mays. Groundwater Hydrology. 3rd ed. New Delhi: Wiley, 2021.
Dyfyniad MLA
Todd, David Keith, and Larry W. Mays. Groundwater Hydrology. 3rd ed. Wiley, 2021.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.