University of Chicago. Press & University of Chicago. Press. (1982). The Chicago manual of style: For authors, editors and copywriters (Thirteenth edition., rev. and expanded.). University of Chicago Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of Chicago. Press و University of Chicago. Press. The Chicago Manual of Style: For Authors, Editors and Copywriters. Thirteenth edition., rev. and expanded. Chicago : London: University of Chicago Press, 1982.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University of Chicago. Press و University of Chicago. Press. The Chicago Manual of Style: For Authors, Editors and Copywriters. Thirteenth edition., rev. and expanded. University of Chicago Press, 1982.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.