Cook, L. B. (1927). Experiments in writing: A high school textbook in composition for the junior and senior years. Harcourt, Brace and company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cook, Luella B. Experiments in Writing: A High School Textbook in Composition for the Junior and Senior Years. New York, Chicago: Harcourt, Brace and company, 1927.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cook, Luella B. Experiments in Writing: A High School Textbook in Composition for the Junior and Senior Years. Harcourt, Brace and company, 1927.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.