Barrick, J. E. (1981). A ail comparison of the perceptions of parents, teachers, students and administrators concerning the causes and possible solutions to student dicipline problems in secondary schools. Vanderbilt University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Barrick, James Edward. A Ail Comparison of the Perceptions of Parents, Teachers, Students and Administrators Concerning the Causes and Possible Solutions to Student Dicipline Problems in Secondary Schools. Nashville, Tenn.: Vanderbilt University, 1981.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Barrick, James Edward. A Ail Comparison of the Perceptions of Parents, Teachers, Students and Administrators Concerning the Causes and Possible Solutions to Student Dicipline Problems in Secondary Schools. Vanderbilt University, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.