Dyfyniad APA

Walsh,Patrick J, & Smith Sharon. (2008). Oceans and human health: :risks and remedies from the seas. Elsevier.

Dyfyniad Arddull Chicago

Walsh,Patrick J, and Smith Sharon. Oceans and Human Health: :risks and Remedies from the Seas. Amsterdam: Elsevier, 2008.

Dyfyniad MLA

Walsh,Patrick J, and Smith Sharon. Oceans and Human Health: :risks and Remedies from the Seas. Elsevier, 2008.

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