APA-referens (7:e uppl.)

World Health Organization. Essential elements of obstetric care at first referral level.

Chicago-referens (17:e uppl.)

World Health Organization. Essential Elements of Obstetric Care at First Referral Level.

MLA-referens (8:e uppl.)

World Health Organization. Essential Elements of Obstetric Care at First Referral Level.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.