Klamen, D. L., & Williams, R. G. (2009). The diagnosis and treatment of the failing student: (standardized patient exam failures) (First edition.). Southern Illinois University School of Medicine.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Klamen, Debra L., و Reed G. Williams. The Diagnosis and Treatment of the Failing Student: (standardized Patient Exam Failures). First edition. Springfield, IL.: Southern Illinois University School of Medicine, 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Klamen, Debra L., و Reed G. Williams. The Diagnosis and Treatment of the Failing Student: (standardized Patient Exam Failures). First edition. Southern Illinois University School of Medicine, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.