Tucker, B. (1840). A discourse on the importance of the study of political science as a branch of academic education in the United States. Printed by Peter D. Bernard.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tucker, Beverley. A Discourse on the Importance of the Study of Political Science as a Branch of Academic Education in the United States. Richmond: Printed by Peter D. Bernard, 1840.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Tucker, Beverley. A Discourse on the Importance of the Study of Political Science as a Branch of Academic Education in the United States. Printed by Peter D. Bernard, 1840.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.