肖学 & 何清顺. (2002). 灾难深重的地球: The Disaster-Ridden Earth. 甘肃科学技术出版社.
Chicago Style (17th ed.) Citation肖学 and 何清顺. 灾难深重的地球: The Disaster-Ridden Earth. 甘肃科学技术出版社, 2002.
MLA (8th ed.) Citation肖学 and 何清顺. 灾难深重的地球: The Disaster-Ridden Earth. 甘肃科学技术出版社, 2002.
Warning: These citations may not always be 100% accurate.