Sowell, T. (1987). A conflict of visions (First Quill edition.). Quill.
Chicagoスタイル(17版)引用形式Sowell, Thomas. A Conflict of Visions. First Quill edition. New York: Quill, 1987.
MLA(8版)引用形式Sowell, Thomas. A Conflict of Visions. First Quill edition. Quill, 1987.
警告: この引用は必ずしも正確ではありません.