Douglas, N. G. (1977). Threshold fluid logic: An M.E. project report submitted by N.G. Douglas of the Department of Mechanical Engineering, University of Canterbury. University of Canterbury.
芝加哥风格引文Douglas, Neil Gordon. Threshold Fluid Logic: An M.E. Project Report Submitted by N.G. Douglas of the Department of Mechanical Engineering, University of Canterbury. Christchurch: University of Canterbury, 1977.
MLA引文Douglas, Neil Gordon. Threshold Fluid Logic: An M.E. Project Report Submitted by N.G. Douglas of the Department of Mechanical Engineering, University of Canterbury. University of Canterbury, 1977.
警告：这些引文格式不一定是100％准确.
