Pratt, G. J., Lambrou, P. T., & Mann, J. D. (2012). Code to joy: The four-step solution to unlocking your natural state of happiness. HarperOne.
Style de citation Chicago (17e éd.)Pratt, George J., Peter T. Lambrou, et John David Mann. Code to Joy: The Four-step Solution to Unlocking Your Natural State of Happiness. New York: HarperOne, 2012.
Style de citation MLA (8e éd.)Pratt, George J., et al. Code to Joy: The Four-step Solution to Unlocking Your Natural State of Happiness. HarperOne, 2012.
Attention : ces citations peuvent ne pas être correctes à 100%.