Online encyclopaedias are great for short, concise and correct information.
Suggested articles include:
Inside a richly decorated ceremonial sarcophagus in Southern Italy lies the 2,500 year-old skeleton of a Greek athlete. Using cutting-edge forensics, lavish special effects and high action drama, this program re-creates the world of the first Olympians.
It is important to provide evidence of using a variety of reliable resources. Use the online Reference Generator available through the Portal to create your citations. Make sure you alphabetically sort them afterwards.
A sample bibliography for 3 resources suggested on these pages would look like:
Digital Diogenes 2016, Athletics & Sport - Ancient Greek Society 05, online video, 8 August, accessed 14 February 2018, <https://www.youtube.com/watch?time_continue=2&v=7u8Pk3VpDV0>.
Olympic Games 2018. Britannica School. Retrieved 14 February 2018, from http://school.eb.com.au/levels/middle/article/Olympic-Games/276182#205927.toc
Platt, R 2012, Olympics from Ancient Greece to the present day, Kingfisher, London.