Dyfyniad APA

BEAR, J. (1979). Hydraulics Of Groundwater Jacob Bear. McGraw-Hill.

Dyfyniad Arddull Chicago

BEAR, Jacob. Hydraulics Of Groundwater Jacob Bear. McGraw-Hill, 1979.

Dyfyniad MLA

BEAR, Jacob. Hydraulics Of Groundwater Jacob Bear. McGraw-Hill, 1979.

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