Παραπομπή σε μορφή APA (7η εκδ.)

World Health Organization. (1990). A call for action: Promoting health in developing countries. World Health Organization.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Health Organization. A Call for Action: Promoting Health in Developing Countries. Houston: World Health Organization, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

World Health Organization. A Call for Action: Promoting Health in Developing Countries. World Health Organization, 1990.