From Wikipedia, the free encyclopedia
- Hutton, Dan (25 April 2012). "Costa Georgiadis – The Greek God Of Gardening". The Beast. Retrieved 26 April 2014.
- Costa to host Gardening Australia, ABC, 20 December 2011
- Costa's World, "a portal for all the groups, individuals and activities that I not only support but that inspire me"
|This Australian television-related article is a stub. You can help Wikipedia by expanding it.|