World Health Organization & World Health Organization. Trichloroethane, 1,1,1.
芝加哥风格引文World Health Organization 与 World Health Organization. Trichloroethane, 1,1,1.
MLA引文World Health Organization 与 World Health Organization. Trichloroethane, 1,1,1.
警告：这些引文格式不一定是100％准确.