Megill, R. E. (1988). An introduction to exploration economics (3rd ed.). PennWell Books.
芝加哥风格引文Megill, R. E. An Introduction to Exploration Economics. 3rd ed. Tulsa, Okla: PennWell Books, 1988.
MLA引文Megill, R. E. An Introduction to Exploration Economics. 3rd ed. PennWell Books, 1988.
警告：这些引文格式不一定是100％准确.