Goodrich, C. A. (1847). Questions on the enlarged and improved edition of Goodrich's School history of the United States: To which are added outline tables, for general review, on a new plan. Jenks, Palmer.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Goodrich, Charles A. Questions on the Enlarged and Improved Edition of Goodrich's School History of the United States: To Which Are Added Outline Tables, for General Review, on a New Plan. Boston: Jenks, Palmer, 1847.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Goodrich, Charles A. Questions on the Enlarged and Improved Edition of Goodrich's School History of the United States: To Which Are Added Outline Tables, for General Review, on a New Plan. Jenks, Palmer, 1847.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.