Heppell, M. (2011). How to be brilliant: Change your ways in 90 days! (3rd ed.). Pearson.
Style de citation Chicago (17e éd.)Heppell, Michael. How to Be Brilliant: Change Your Ways in 90 Days! 3rd ed. Harlow, England ; New York: Pearson, 2011.
Style de citation MLA (8e éd.)Heppell, Michael. How to Be Brilliant: Change Your Ways in 90 Days! 3rd ed. Pearson, 2011.
Attention : ces citations peuvent ne pas être correctes à 100%.