1. Australian Bureau of Statistics. (2018, February). Labour statistics: Concepts, sources and methods. https://www.abs.gov.au/ausstats/abs@.nsf/Lookup/by%20Subject/6102.0.55.001~Feb%202018~Main%20Features~Classifications%20Used%20in%20Labour%20Statistics~15. Accessed 2 Dec 2020.
2. Barth, R., & Berry, M. (1988). Adoption and disruption: Rates, risks and resources. Aldine.
3. Barth, R., & Brooks, D. (1997). A longitudinal study of family structure and size and adoption outcomes. Adoption Quarterly, 1, 29–56.
4. Barth, R., & Miller, J. (2000). Building effective post-adoption services: What is the empirical foundation? Family Relations, 49(4), 447–455.
5. Berry, M., & Barth, R. P. (1990). A study of disrupted adoptive placements of adolescents. Child Welfare, 69, 209–225.