Hoffer, W. (2007). To enlarge the machinery of government: Congressional debates and the growth of the American state, 1858-1891. Johns Hopkins University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hoffer, Williamjames. To Enlarge the Machinery of Government: Congressional Debates and the Growth of the American State, 1858-1891. Baltimore: Johns Hopkins University Press, 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hoffer, Williamjames. To Enlarge the Machinery of Government: Congressional Debates and the Growth of the American State, 1858-1891. Johns Hopkins University Press, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.