Tarbuck, G. (1984). The Relationship of school achievement to time spent doing homework among selected tenth and twelfth grade stuents in the United States. University of Akron.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tarbuck, George. The Relationship of School Achievement to Time Spent Doing Homework Among Selected Tenth and Twelfth Grade Stuents in the United States. Akron, Ohio: University of Akron, 1984.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Tarbuck, George. The Relationship of School Achievement to Time Spent Doing Homework Among Selected Tenth and Twelfth Grade Stuents in the United States. University of Akron, 1984.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.