World Health Organization. (2009). Who guidlines for the management of pastpartum haemorrhage and retained placenta (Primera edición.). Editorial Worl Health Organization.
Chicago-viite (17. p.)World Health Organization. Who Guidlines for the Management of Pastpartum Haemorrhage and Retained Placenta. Primera edición. Geneva: Editorial Worl Health Organization, 2009.
MLA-viite (8. p.)World Health Organization. Who Guidlines for the Management of Pastpartum Haemorrhage and Retained Placenta. Primera edición. Editorial Worl Health Organization, 2009.
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