Kirsch, F. M. (1935). The sex problem: A challenge and an opportunity. Paulist Press.
Dyfyniad Arddull ChicagoKirsch, Felix M. The Sex Problem: A Challenge and an Opportunity. New York, N.Y.: Paulist Press, 1935.
Dyfyniad MLAKirsch, Felix M. The Sex Problem: A Challenge and an Opportunity. Paulist Press, 1935.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.