World Health Organization. (2003). Safe abortion: Technical and policy guidance for health systems. World Health Organization.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. Geneva: World Health Organization, 2003.
Цитирование MLA (9-е изд.)World Health Organization. Safe Abortion: Technical and Policy Guidance for Health Systems. World Health Organization, 2003.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.