Hartley, S. (2012). How to shine: Insights into unlocking your potential from proven winners. Capstone.
Chicago-viite (17. p.)Hartley, Simon. How to Shine: Insights into Unlocking Your Potential from Proven Winners. Chichester, West Sussex, United Kingdom: Capstone, 2012.
MLA-viite (8. p.)Hartley, Simon. How to Shine: Insights into Unlocking Your Potential from Proven Winners. Capstone, 2012.
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