Ford, Thomas E., Shaun K. Lappi, and Christopher J. Holden. “Personality, Humor Styles and Happiness: Happy People Have Positive Humor Styles”. Europe’s Journal of Psychology 12, no. 3 (August 19, 2016): 320-337. Accessed November 13, 2019. https://ejop.psychopen.eu/index.php/ejop/article/view/1160.