World Health Organization. (2007). Cancer Control, Knowledge into Action Who Guide for Effective Programmes: Early Detection. World Health.
芝加哥风格引文World Health Organization. Cancer Control, Knowledge into Action Who Guide for Effective Programmes: Early Detection. Washington D.C: World Health, 2007.
MLA引文World Health Organization. Cancer Control, Knowledge into Action Who Guide for Effective Programmes: Early Detection. World Health, 2007.
警告：这些引文格式不一定是100％准确.