World Health Organization. (2009). Who guidlines for the management of pastpartum haemorrhage and retained placenta (Primera edición.). Editorial Worl Health Organization.
芝加哥风格引文World Health Organization. Who Guidlines for the Management of Pastpartum Haemorrhage and Retained Placenta. Primera edición. Geneva: Editorial Worl Health Organization, 2009.
MLA引文World Health Organization. Who Guidlines for the Management of Pastpartum Haemorrhage and Retained Placenta. Primera edición. Editorial Worl Health Organization, 2009.
警告：这些引文格式不一定是100％准确.