Não informado. Northwestern Report. Northwestern University, Department of Alumni Relations.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Northwestern Report. Evanston, Ill: Northwestern University, Department of Alumni Relations.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Northwestern Report. Northwestern University, Department of Alumni Relations.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.