Kazarian, S. S., L. Moghnie, and R. A. Martin. “Perceived Parental Warmth and Rejection in Childhood As Predictors of Humor Styles and Subjective Happiness”. Europe’s Journal of Psychology, Vol. 6, no. 3, Aug. 2010, pp. 71-93, doi:10.5964/ejop.v6i3.209.