Schade, L., & Helper, H. R. (1860). A book for the "impending crisis"!: Appeal to the common sense and patriotism of the people of the United States. "Helperism" annihilated! The "irrepressible conflict" and its consequences! Little, Morris.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Schade, Louis, và Hinton Rowan Helper. A Book for the "Impending Crisis"!: Appeal to the Common Sense and Patriotism of the People of the United States. "Helperism" Annihilated! The "Irrepressible Conflict" and Its Consequences! Washington, D.C.: Little, Morris, 1860.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Schade, Louis, và Hinton Rowan Helper. A Book for the "Impending Crisis"!: Appeal to the Common Sense and Patriotism of the People of the United States. "Helperism" Annihilated! The "Irrepressible Conflict" and Its Consequences! Little, Morris, 1860.