(1991). Essential Elements Of Obstetric Care Al First Referral Level. WHO.
Chicago Style aipamenaEssential Elements Of Obstetric Care Al First Referral Level. Ginebra: WHO, 1991.
MLA aipamenaEssential Elements Of Obstetric Care Al First Referral Level. WHO, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.