Thompson, C. S. (1902). An essay on the rise and fall of the congressional caucus as a machine for nominating candidates for the presidency.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Thompson, C. Seymour. An Essay on the Rise and Fall of the Congressional Caucus as a Machine for Nominating Candidates for the Presidency. [New Haven, 1902.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Thompson, C. Seymour. An Essay on the Rise and Fall of the Congressional Caucus as a Machine for Nominating Candidates for the Presidency. 1902.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.