Bongaarts, J., & Blanc, A. K. (2015). Estimating the current mean age of mothers at the birth of their first child from household surveys. Popul Health Metr.
Dyfyniad Arddull ChicagoBongaarts, John, and Ann K. Blanc. "Estimating the Current Mean Age of Mothers At the Birth of Their First Child From Household Surveys." Popul Health Metr 2015.
Dyfyniad MLABongaarts, John, and Ann K. Blanc. "Estimating the Current Mean Age of Mothers At the Birth of Their First Child From Household Surveys." Popul Health Metr 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.