Southard, R. E. (1949). Problems of decency. The Queen's Work.
Dyfyniad Arddull ChicagoSouthard, Robert E. Problems of Decency. St. Louis 18, Mo.: The Queen's Work, 1949.
Dyfyniad MLASouthard, Robert E. Problems of Decency. The Queen's Work, 1949.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.