Ryan, D. W. (1996). Current practice in critical illness. Chapman & Hall.
芝加哥风格引文Ryan, David W. Current Practice in Critical Illness. London ; New York: Chapman & Hall, 1996.
MLA引文Ryan, David W. Current Practice in Critical Illness. Chapman & Hall, 1996.
警告：这些引文格式不一定是100％准确.