Boyd, A. (1971). Fifteen men on a powder keg: A history of the U.N security council. Methuen.
Dyfyniad Arddull ChicagoBoyd, Andrew. Fifteen Men on a Powder Keg: A History of the U.N Security Council. London: Methuen, 1971.
Dyfyniad MLABoyd, Andrew. Fifteen Men on a Powder Keg: A History of the U.N Security Council. Methuen, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.