World Health Organization. (2003). Quality assurance in bacteriology and immunology. World Health Organization.
芝加哥风格引文World Health Organization. Quality Assurance in Bacteriology and Immunology. New Delhi: World Health Organization, 2003.
MLA引文World Health Organization. Quality Assurance in Bacteriology and Immunology. World Health Organization, 2003.
警告：这些引文格式不一定是100％准确.