Lovell, J. (1961). Digests of great American plays: Complete summaries of more than 100 plays from the beginnings to the present. Crowell.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lovell, John. Digests of Great American Plays: Complete Summaries of More than 100 Plays from the Beginnings to the Present. New York: Crowell, 1961.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Lovell, John. Digests of Great American Plays: Complete Summaries of More than 100 Plays from the Beginnings to the Present. Crowell, 1961.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.