Dell Publishing Company. (1956). Six great modern plays. Dell Pub. Co..
Dyfyniad Arddull ChicagoDell Publishing Company. Six Great Modern Plays. [New York: Dell Pub. Co., 1956.
Dyfyniad MLADell Publishing Company. Six Great Modern Plays. Dell Pub. Co., 1956.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.