Gorbachev, M. (1987). Selected speeches and articles (2nd.). Progress Pub.
芝加哥风格引文Gorbachev, Mikhail. Selected Speeches and Articles. 2nd. Moscow: Progress Pub, 1987.
MLA引文Gorbachev, Mikhail. Selected Speeches and Articles. 2nd. Progress Pub, 1987.
警告：这些引文格式不一定是100％准确.