Malawi. Geological Survey Dept. Memoir - Geological Survey Department. Govt. Press.
芝加哥风格引文Malawi. Geological Survey Dept. Memoir - Geological Survey Department. [Zomba]: Govt. Press.
MLA引文Malawi. Geological Survey Dept. Memoir - Geological Survey Department. Govt. Press.
警告：这些引文格式不一定是100％准确.