Solzhenitsyn, A. I. (1968). The first circle: Translated from the Russian by Michael Guy. London: Collins & Harvill Press.
Dyfyniad Arddull ChicagoSolzhenitsyn, Aleksander I. The First Circle: Translated From the Russian By Michael Guy. London: Collins & Harvill Press, 1968.
Dyfyniad MLASolzhenitsyn, Aleksander I. The First Circle: Translated From the Russian By Michael Guy. London: Collins & Harvill Press, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.