Grenville, J. A. S. (2005). A history of the world from the 20th to the 21st century. London / New York: Routledge / Taylor & Francis Group.
Dyfyniad Arddull ChicagoGrenville, John Asley Soames. A History of the World From the 20th to the 21st Century. London / New York: Routledge / Taylor & Francis Group, 2005.
Dyfyniad MLAGrenville, John Asley Soames. A History of the World From the 20th to the 21st Century. London / New York: Routledge / Taylor & Francis Group, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.