Allen, B. P. (2006). Personality theories: Development, growth, and diversity (5th ed.). Pearson, Allyn and Bacon.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Allen, Bem P. Personality Theories: Development, Growth, and Diversity. 5th ed. Boston, New York: Pearson, Allyn and Bacon, 2006.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Allen, Bem P. Personality Theories: Development, Growth, and Diversity. 5th ed. Pearson, Allyn and Bacon, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.