Dyfyniad APA

Price, M. (1996). Introducing groundwater (2nd ed.). Chapman & Hall.

Dyfyniad Arddull Chicago

Price, Michael. Introducing Groundwater. 2nd ed. London: Chapman & Hall, 1996.

Dyfyniad MLA

Price, Michael. Introducing Groundwater. 2nd ed. Chapman & Hall, 1996.

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