The Radiological Society of North America. (1981). Radiology Volume 138 number 2 February 1981. The radiological society.
芝加哥风格引文The Radiological Society of North America. Radiology Volume 138 Number 2 February 1981. : The radiological society, 1981.
MLA引文The Radiological Society of North America. Radiology Volume 138 Number 2 February 1981. The radiological society, 1981.
警告：这些引文格式不一定是100％准确.