Ehrler, D. J. (2005). An investigation into the relation between the five-factor model of personality and academic achievement in children. Georgia State University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ehrler, David J. An Investigation into the Relation Between the Five-factor Model of Personality and Academic Achievement in Children. Alabama: Georgia State University, 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ehrler, David J. An Investigation into the Relation Between the Five-factor Model of Personality and Academic Achievement in Children. Georgia State University, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.