Dyfyniad APA

Timothy, J. S. (2000). Aquatic effects of acidic deposition. Lewis Publishers.

Dyfyniad Arddull Chicago

Timothy, J. Sullivan. Aquatic Effects of Acidic Deposition. London: Lewis Publishers, 2000.

Dyfyniad MLA

Timothy, J. Sullivan. Aquatic Effects of Acidic Deposition. Lewis Publishers, 2000.

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