Castilla, H., Caycho, T., & Ventura-León, J. L. (2016). Happiness Differences by Sex and Age in Peruvian University.
استشهاد بنمط شيكاغوCastilla, Humberto, Tomás Caycho, و José Luís Ventura-León. Happiness Differences By Sex and Age in Peruvian University. 2016.
MLA استشهادCastilla, Humberto, Tomás Caycho, و José Luís Ventura-León. Happiness Differences By Sex and Age in Peruvian University. 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.