Newell, P. (1963). The differential effects of school changes on the academic achievement in various curriculum subjects of pupils in British army grammar school.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Newell, P. The Differential Effects of School Changes on the Academic Achievement in Various Curriculum Subjects of Pupils in British Army Grammar School. 1963.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Newell, P. The Differential Effects of School Changes on the Academic Achievement in Various Curriculum Subjects of Pupils in British Army Grammar School. 1963.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.