Dyfyniad APA

Parascandola, J. (2012). King of poisons: A history of arsenic. Potomac Books.

Dyfyniad Arddull Chicago

Parascandola, John. King of Poisons: A History of Arsenic. Washington, D.C.: Potomac Books, 2012.

Dyfyniad MLA

Parascandola, John. King of Poisons: A History of Arsenic. Potomac Books, 2012.

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