Lessing, D. (1969). The four- gated city. London: Macgibbon & Kee.
Trích dẫn kiểu ChicagoLessing, Doris. The Four- Gated City. London: Macgibbon & Kee, 1969.
MLA引文Lessing, Doris. The Four- Gated City. London: Macgibbon & Kee, 1969.
警告:这些引文格式不一定是100%准确.