Brown, R. L., & Richards, J. C. (1970). Principles of powder mechanics: Essays on the packing and flow of powders and bulk solids ([1st ed.].). Pergamon Press.
芝加哥风格引文Brown, R. L., 与 John Colin Richards. Principles of Powder Mechanics: Essays on the Packing and Flow of Powders and Bulk Solids. [1st ed.]. Oxford, New York: Pergamon Press, 1970.
MLA引文Brown, R. L., 与 John Colin Richards. Principles of Powder Mechanics: Essays on the Packing and Flow of Powders and Bulk Solids. [1st ed.]. Pergamon Press, 1970.
警告：这些引文格式不一定是100％准确.