Lyman, R. L. V. (1924). The mind at work in studying, thinking, and reading: A source book and discussion manual. Scott, Foresman and Company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lyman, Rollo La Verne. The Mind at Work in Studying, Thinking, and Reading: A Source Book and Discussion Manual. Chicago, Atlanta [etc.]: Scott, Foresman and Company, 1924.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lyman, Rollo La Verne. The Mind at Work in Studying, Thinking, and Reading: A Source Book and Discussion Manual. Scott, Foresman and Company, 1924.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.