Psomas, S., & Houlsby, G. (2001). Properties of foam/sand mixtures for tunnelling applications.
芝加哥风格引文Psomas, S., 与 G. Houlsby. Properties of Foam/sand Mixtures for Tunnelling Applications. 2001.
MLA引文Psomas, S., 与 G. Houlsby. Properties of Foam/sand Mixtures for Tunnelling Applications. 2001.
警告：这些引文格式不一定是100％准确.