Mark McCrindle, Superannuation and the Under 40s: Summary Report: Research Report on the Attitudes and Views of Generations X and Y on Superannuation (PDF), in McCrindle Research, 18 luglio 2005. URL consultato il 6 aprile 2014 (archiviato dall'url originale il 21 settembre 2006).
«Generation X comprises those aged between 24 and 40... Generation Y 1982–2000...Generation Z 2001+ (page 5)»