Wilkinson, S. (1979). What is to be done with the XYY fetus.
Dyfyniad Arddull ChicagoWilkinson, S. What Is to Be Done With the XYY Fetus. 1979.
Dyfyniad MLAWilkinson, S. What Is to Be Done With the XYY Fetus. 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.