Παραπομπή σε μορφή APA (7η εκδ.)

World Health Organization. (2012). Safe abortion: Technical and policy guidance for health systems (2nd ed.). World Health Organization.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. 2nd ed. Geneva: World Health Organization, 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. 2nd ed. World Health Organization, 2012.