1. Spielberger CD, Gorsuch R, Lushene R, Vagg PR, Jacobs GA (1983) Manual for the State–Trait Anxiety Inventory. Consulting Psychologists Press, Palo Alto
2. Donnelly L (15 April 2012) Anxiety: A very modern malaise. http://www.telegraph.co.uk/health/wellbeing/9204746/Anxiety-a-very-modern-malaise.html . Accessed 15 April 2012
3. Bonds Shapiro A (3 November, 2011) Anxiety: A modern plague. http://www.psychologytoday.com/blog/healing-possibility/201111/anxiety-modern-plague . Accessed 3 November, 2011
4. Telling A (23 October 2012) Achievement anxiety - a by-product of modern mankind. http://www.huffingtonpost.co.uk/andrew-telling/achievement-anxiety-a-byp_b_2004621.html . Accessed 23 October 2012
5. Menzies H (2005) No time: Stress and the crisis of modern life. Greystone, Canada