Pryor, E. J. (1958). Economics for the mineral engineer. Pergamon Press.
芝加哥风格引文Pryor, E. J. Economics for the Mineral Engineer. Lond.: Pergamon Press, 1958.
MLA引文Pryor, E. J. Economics for the Mineral Engineer. Pergamon Press, 1958.
警告：这些引文格式不一定是100％准确.