Law, F. H. (1926). Modern great Americans: Short biographies of twenty great Americans of modern times who won wide recognition for achievements in various types of activity. Century.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Law, Frederick Houk. Modern Great Americans: Short Biographies of Twenty Great Americans of Modern Times Who Won Wide Recognition for Achievements in Various Types of Activity. New York: Century, 1926.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Law, Frederick Houk. Modern Great Americans: Short Biographies of Twenty Great Americans of Modern Times Who Won Wide Recognition for Achievements in Various Types of Activity. Century, 1926.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.