Roemer, M. I. (1981). Ambulatory health services in America: Past, present, and future. Aspen Systems.
芝加哥风格引文Roemer, Milton Irwin. Ambulatory Health Services in America: Past, Present, and Future. Rockville, MD: Aspen Systems, 1981.
MLA引文Roemer, Milton Irwin. Ambulatory Health Services in America: Past, Present, and Future. Aspen Systems, 1981.
警告：这些引文格式不一定是100％准确.