Kauffman, M. J. (1981). A Descriptive study of the strategies used in the teaching of freshman english in seven state colleges of Maryland. George Washington University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kauffman, Margaret Jean. A Descriptive Study of the Strategies Used in the Teaching of Freshman English in Seven State Colleges of Maryland. Washington, D. C.: George Washington University, 1981.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kauffman, Margaret Jean. A Descriptive Study of the Strategies Used in the Teaching of Freshman English in Seven State Colleges of Maryland. George Washington University, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.