Online encyclopaedias are great for short, concise and correct information. Don't forget CTRL F to scan around a page quickly.
EBSCOhost online database: Offers a broad range of full text and bibliographic databases designed for research. Check the most recent newspaper and magazine articles from Australia regarding Polio.
It is important that you show your teacher you used 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 provided on this page would look like:
Dr. Prodigious 2014, Polio Virus Life Cycle [HD Animation], online video, 27 May, accessed 15 June 2016, <https://www.youtube.com/watch?v=hzpBBWiuItc>.
Polio 2016. Britannica School. Retrieved 15 June 2016, from http://school.eb.com.au/levels/high/article/60621
World Health Organisation 2016, Poliomyelitis, accessed 15 June 2016, <http://www.who.int/mediacentre/factsheets/fs114/en/>.