Dyfyniad APA

Shaw, E. M. (1994). Hydrology in practice (3rd edition.). London: Stanley Thornes.

Dyfyniad Arddull Chicago

Shaw, Elizabeth M. Hydrology in Practice. 3rd edition. London: Stanley Thornes, 1994.

Dyfyniad MLA

Shaw, Elizabeth M. Hydrology in Practice. 3rd edition. London: Stanley Thornes, 1994.

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