Dyfyniad APA
Gupta, B. Engineering hydrology (3rd ed.). Standard Publishers Distributors.
Dyfyniad Arddull Chicago
Gupta, B.L. Engineering Hydrology. 3rd ed. New Delhi: Standard Publishers Distributors.
Dyfyniad MLA
Gupta, B.L. Engineering Hydrology. 3rd ed. Standard Publishers Distributors.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.