Curtis, W. J. (1982). An analysis of the relationship of illustration and text in picture-story books as indicated by the oral responses of young children. University Microfilms International.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Curtis, William J. An Analysis of the Relationship of Illustration and Text in Picture-story Books as Indicated by the Oral Responses of Young Children. Ann Arbor, Mich.: University Microfilms International, 1982.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Curtis, William J. An Analysis of the Relationship of Illustration and Text in Picture-story Books as Indicated by the Oral Responses of Young Children. University Microfilms International, 1982.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.