Palmer, B. W. (1988). Guide and index to the papers of Charles Sumner. Chadwyck-Healey.
Chicagoスタイル(17版)引用形式Palmer, Beverly Wilson. Guide and Index to the Papers of Charles Sumner. Alexandria, VA: Chadwyck-Healey, 1988.
MLA(8版)引用形式Palmer, Beverly Wilson. Guide and Index to the Papers of Charles Sumner. Chadwyck-Healey, 1988.
警告: この引用は必ずしも正確ではありません.