Lawrence, Jeff (20 December 2012). "Vale Ray Gietzelt". The Sydney Morning Herald. United Voice. Archived from the original on 7 April 2015. Retrieved 26 April 2014.
"History". Sydney University Liberal Club. Archived from the original on 4 May 2007. Retrieved 6 May 2007.
Lawrence, Jeff (20 December 2012). "Vale Ray Gietzelt". The Sydney Morning Herald. United Voice. Archived from the original on 7 April 2015. Retrieved 26 April 2014.