Frisbie, R. P. (1969). Six paradoxes of sex. Claretian Publications.
Dyfyniad Arddull ChicagoFrisbie, Richard P. Six Paradoxes of Sex. Chicago: Claretian Publications, 1969.
Dyfyniad MLAFrisbie, Richard P. Six Paradoxes of Sex. Claretian Publications, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.