Dixon,Richard. (1976). Hague congress of the first international, September 2-7, 1872: Minutes and documents. Progress.
Dyfyniad Arddull ChicagoDixon,Richard. Hague Congress of the First International, September 2-7, 1872: Minutes and Documents. Moscow: Progress, 1976.
Dyfyniad MLADixon,Richard. Hague Congress of the First International, September 2-7, 1872: Minutes and Documents. Progress, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.