Hamre, B. K. Can instructional and emotional support in the first-grade classroom make a difference for children at risk of school failure? 2005 p.949-967.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hamre, Bridget K. Can Instructional and Emotional Support in the First-grade Classroom Make a Difference for Children at Risk of School Failure? September/October: 2005 p.949-967.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hamre, Bridget K. Can Instructional and Emotional Support in the First-grade Classroom Make a Difference for Children at Risk of School Failure? 2005 p.949-967.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.