1. ABS – Australian Bureau of Statistics. (2019). Household and family projections, Australia methodology. Reference period: 2016–2041. https://www.abs.gov.au/methodologies/household-and-familyprojections-australia-methodology/2016-2041
2. Blangiardo, G. C., & Rimoldi, S. (2014). Portraits of the Italian family: Past, present and future. Journal of Comparative Family Studies, 45(2), 201–219. http://www.jstor.org/stable/24339606
3. Blangiardo, G. C., Barbiano di Belgiojoso, E., & Bonomi, P. (2012). Le previsioni demografiche delle famiglie. In P. Donati (Ed.), La famiglia in Italia. Sfide sociali e innovazioni nei Servizi. Osservatorio Nazionale sulla Famiglia. Rapporto biennale 2011–2012 (Vol. Volume I, pp. 91–123). Aspetti demografici, sociali e legislativi.
4. Box, G. E. P., Jenkins, G. M., Reinsel, G. C., & Ljung, G. M. (2015). Time series analysis: Forecasting and control (5th ed., p. 712). Wiley. ISBN: 978-1-118-67502-1.
5. The springer series on demographic methods and population analysis, vol 47;E Carlson,2019