Hawthorn, G. (1970). The sociology of fertility. Collier-Macmillan.
Dyfyniad Arddull ChicagoHawthorn, Geoffrey. The Sociology of Fertility. London: Collier-Macmillan, 1970.
Dyfyniad MLAHawthorn, Geoffrey. The Sociology of Fertility. Collier-Macmillan, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.