King, V. (2016). 10 keys to happier living: A practical handbook for happiness. Headline Publishing Group.
Style de citation Chicago (17e éd.)King, Vanessa. 10 Keys to Happier Living: A Practical Handbook for Happiness. London: Headline Publishing Group, 2016.
Style de citation MLA (8e éd.)King, Vanessa. 10 Keys to Happier Living: A Practical Handbook for Happiness. Headline Publishing Group, 2016.
Attention : ces citations peuvent ne pas être correctes à 100%.