http://www.news.com.au/heraldsun/story/0,21985,23673379-2862,00.html

http://www.news.com.au/heraldsun/story/0,21985,23673455-661,00.html

http://www.news.com.au/heraldsun/story/0,21985,23673284-2862,00.html

http://www.news.com.au/heraldsun/story/0,21985,23673285-2862,00.html

http://www.theage.com.au/national/sydney-slips-in-city-rankings-20080611-2oqf.html?page=-1

http://www.nlc.edu.au/main/index.php

http://www.radioaustralia.net.au/news/features/s2359868.htm

http://www.news.com.au/heraldsun/story/0,21985,24078936-2862,00.html

http://www.theage.com.au/articles/2008/05/12/1210444339492.html