Gurian, M. (2009). The purpose of boys: Helping our sons find meaning, significance, and direction in their lives. Jossey-Bass.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gurian, Michael. The Purpose of Boys: Helping Our Sons Find Meaning, Significance, and Direction in Their Lives. San Francisco, Calif.: Jossey-Bass, 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gurian, Michael. The Purpose of Boys: Helping Our Sons Find Meaning, Significance, and Direction in Their Lives. Jossey-Bass, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.