Shannon, D. A. (1963). Twentieth century America: The United States since the 1890's. Rand Macnally.
Chicagoスタイル(17版)引用形式Shannon, David A. Twentieth Century America: The United States Since the 1890's. Chicago: Rand Macnally, 1963.
MLA(9版)引用形式Shannon, David A. Twentieth Century America: The United States Since the 1890's. Rand Macnally, 1963.
警告: この引用は必ずしも正確ではありません.