Hoen, P. J. '. (1980). Image quality of medical x-ray systems. s.n.].
芝加哥风格引文Hoen, Pieter Johannes 'T. Image Quality of Medical X-ray Systems. [s.l: s.n.], 1980.
MLA引文Hoen, Pieter Johannes 'T. Image Quality of Medical X-ray Systems. s.n.], 1980.
警告：这些引文格式不一定是100％准确.