HAMMER, D. P. (1990). The USSR: The politics of oligarchy. Westview.
芝加哥风格引文HAMMER, Darrell P. The USSR: The Politics of Oligarchy. Boulder: Westview, 1990.
MLA引文HAMMER, Darrell P. The USSR: The Politics of Oligarchy. Westview, 1990.
警告：这些引文格式不一定是100％准确.