1. Asendorpf, J. B. (2008). Living apart together: Altersund. Kohner Zeitschrift fur Soziologie und Sozialpsycholgie, 60, 749–764.
2. Australian Bureau of Statistics. (2010). Household and family projections, Australia, 2006–2031. Cat. no. 3236.0. http://www.abs.gov.au/AUSSTATS/abs@.nsf/allprimarymainfeatures/0AAC8BFAE9DD3241CA2568A90013942A?opendocument , viewed 21 Sept 2010.
3. Australian Bureau of Statistics. (2010). Marriages and divorces, Australia, 2009. Cat. no. 3310.0. http://www.abs.gov.au/AUSSTATS/abs@.nsf/Lookup/3310.0Explanatory%20Notes12009?OpenDocument , viewed 15 Dec 2010.
4. Australian Bureau of Statistics. (2009). Australian social trends, March 2009. Cat. no. 4102.0. http://www.abs.gov.au/AUSSTATS/abs@.nsf/Lookup/4102.0Main+Features20March%202009 , viewed 10 Oct 2010.
5. Australian Bureau of Statistics. (2000). Caring in the community, Australia, 1998. Cat. no. 4436.0. http://abs.gov.au/AUSSTATS/abs@.nsf/ProductsbyTopic/E243871471015E4BCA256943007F0603?OpenDocument , viewed 22 Oct 2011.