Atkins, S. E. (2004). Encyclopedia of modern worldwide extremists and extremist groups. Greenwood Press.
Dyfyniad Arddull ChicagoAtkins, Stephen E. Encyclopedia of Modern Worldwide Extremists and Extremist Groups. Westport, Conn: Greenwood Press, 2004.
Dyfyniad MLAAtkins, Stephen E. Encyclopedia of Modern Worldwide Extremists and Extremist Groups. Greenwood Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.