Acsádi, G., & Johnson-Acsádi, G. (1986). Optimum conditions for childbearing: An analysis of data from the World Fertility Survey and other authoritative sources demonstrating the importance of fertility regulation in reducing mortality rates and poor health among women and children. London: International Planned Parenthood Federation.

Acsádi, György, and Gwendolyn Johnson-Acsádi. Optimum Conditions for Childbearing: An Analysis of Data From the World Fertility Survey and Other Authoritative Sources Demonstrating the Importance of Fertility Regulation in Reducing Mortality Rates and Poor Health Among Women and Children. London: International Planned Parenthood Federation, 1986.

Acsádi, György, and Gwendolyn Johnson-Acsádi. Optimum Conditions for Childbearing: An Analysis of Data From the World Fertility Survey and Other Authoritative Sources Demonstrating the Importance of Fertility Regulation in Reducing Mortality Rates and Poor Health Among Women and Children. London: International Planned Parenthood Federation, 1986.