Schroeder, J. (2013). Students' accuracy in written English under the impression of the new "G8" system: A case study. Bachelor + Master Publishing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Schroeder, Johanna. Students' Accuracy in Written English Under the Impression of the New "G8" System: A Case Study. Hamburg, Germany: Bachelor + Master Publishing, 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Schroeder, Johanna. Students' Accuracy in Written English Under the Impression of the New "G8" System: A Case Study. Bachelor + Master Publishing, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.