How Google Search Works:
Google 2010, How Search Works, online video, 4 March, accessed 19 November 2015, <https://www.youtube.com/watch?v=BNHR6IQJGZs>.
Become a Google Ninja!
Blachman, N n.d., Google Guide Making it Easier to Search, Google Guide, accessed 19 November 2015, <http://www.googleguide.com/cheatsheet.html>.