Uganda Geological Survey, Combe, A. D., & Simmons, W. C. The volcanic area of Bufumbira. Uganda, Government Printer, 1933-.
芝加哥风格引文Uganda Geological Survey, Arthur Delmar Combe, 与 William C. Simmons. The Volcanic Area of Bufumbira. Entebbe: Uganda, Government Printer, 1933-.
MLA引文Uganda Geological Survey, et al. The Volcanic Area of Bufumbira. Uganda, Government Printer, 1933-.
警告：这些引文格式不一定是100％准确.