Hanson, L. A., Bergstrom, S., & Rosero Bixby, L. (1994). Infant mortality and birth rates.
Dyfyniad Arddull ChicagoHanson, Lars Ake, Staffan Bergstrom, y Luis Rosero Bixby. Infant Mortality and Birth Rates. 1994.
Dyfyniad MLAHanson, Lars Ake, Staffan Bergstrom, y Luis Rosero Bixby. Infant Mortality and Birth Rates. 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.