Quarles, R. A. (1968). Counseling in the classroom: A one-semester study with senior Catholic high school boys in an unstructured religion class.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Quarles, Rob A. Counseling in the Classroom: A One-semester Study with Senior Catholic High School Boys in an Unstructured Religion Class. 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Quarles, Rob A. Counseling in the Classroom: A One-semester Study with Senior Catholic High School Boys in an Unstructured Religion Class. 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.