Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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

Attention : ces citations peuvent ne pas être correctes à 100%.