POSTPATUM & WHO. (1996). Postpartum haemorrhage module. WHO.
Chicago Style aipamenaPOSTPATUM and WHO. Postpartum Haemorrhage Module. Geneva: WHO, 1996.
MLA aipamenaPOSTPATUM and WHO. Postpartum Haemorrhage Module. WHO, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.