Heshmat, Y. (2009). Determinants of happiness and life satisfaction in Egypt: An empirical study using the world values survey - Egypt 2008. information and decision support center.
Citazione stile Chigago Style (17a edizione)Heshmat, Yasmin. Determinants of Happiness and Life Satisfaction in Egypt: An Empirical Study Using the World Values Survey - Egypt 2008. cairo: information and decision support center, 2009.
Citatione MLA (9a ed.)Heshmat, Yasmin. Determinants of Happiness and Life Satisfaction in Egypt: An Empirical Study Using the World Values Survey - Egypt 2008. information and decision support center, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.