Crofton, J. W., & Douglas, A. (1981). Respiratory diseases. Blackwell Scientific.
芝加哥风格引文Crofton, John Wenman, 与 Andrew Douglas. Respiratory Diseases. Oxford: Blackwell Scientific, 1981.
MLA引文Crofton, John Wenman, 与 Andrew Douglas. Respiratory Diseases. Blackwell Scientific, 1981.
警告：这些引文格式不一定是100％准确.