World Health Organization. (2002). National health research systems: Report of an international workshop. World Health Organization.
芝加哥风格引文World Health Organization. National Health Research Systems: Report of an International Workshop. France: World Health Organization, 2002.
MLA引文World Health Organization. National Health Research Systems: Report of an International Workshop. World Health Organization, 2002.
警告：这些引文格式不一定是100％准确.