APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (8वां संस्करण) प्रशस्ति पत्र

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