Dallas Independent School District (Tex.). (1962). Exercises in English: A drill book for pupils. Dallas Independent School District.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Dallas Independent School District (Tex.). Exercises in English: A Drill Book for Pupils. Dallas: Dallas Independent School District, 1962.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Dallas Independent School District (Tex.). Exercises in English: A Drill Book for Pupils. Dallas Independent School District, 1962.
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