Lessing, D. M. (1981). Briefing for a descent into hell. Vintage Books.
芝加哥风格引文Lessing, Doris May. Briefing for a Descent into Hell. New York: Vintage Books, 1981.
MLA引文Lessing, Doris May. Briefing for a Descent into Hell. Vintage Books, 1981.
警告：这些引文格式不一定是100％准确.