Dyfyniad APA

Spiers, E. M. (2010). A history of chemical and biological weapons. Reaktion.

Dyfyniad Arddull Chicago

Spiers, Edward M. A History of Chemical and Biological Weapons. London: Reaktion, 2010.

Dyfyniad MLA

Spiers, Edward M. A History of Chemical and Biological Weapons. Reaktion, 2010.

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