World Health Organization. (2002). Model standard operating procedures for blood transfusion service. WHO.
芝加哥风格引文World Health Organization. Model Standard Operating Procedures for Blood Transfusion Service. Delhi: WHO, 2002.
MLA引文World Health Organization. Model Standard Operating Procedures for Blood Transfusion Service. WHO, 2002.
警告：这些引文格式不一定是100％准确.