1. 1.   Here's  a whole lot of really good resources for you all to look at 

    This website is full of information about the Australian electoral system;    http://www.dfat.gov.au/facts/electoral_system.html

   This site is about citizens rights and responsibilities.       http://www.dfat.gov.au/facts/democratic_rights_freedoms.html 
2. 
   
   
   The 'vroom' site is the school section of the national archives and it will help you find lots of Primary sources, or first hand accounts . Good research should include primary sources.   Vroom, National Archives school section: http://vrroom.naa.gov.au/records/?ID=18981 
   
   
   The AEC  site is the Australian Electoral Commission, they are the government agency that oversees voting and Elections in Australia:

4.       http://www.aec.gov.au/
  
     If you need to find out about Human rights, and our 'right to vote" you could find some information in the United Nations charter for Human Rights.

      http://www.un.org/en/documents/udhr/index.shtml