World Health Organization & World Health Organization. (1978). Induced abortion: Report of a WHO Scientific Group. World Health Organization.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization и World Health Organization. Induced Abortion: Report of a WHO Scientific Group. Geneva: World Health Organization, 1978.
Цитирование MLA (9-е изд.)World Health Organization и World Health Organization. Induced Abortion: Report of a WHO Scientific Group. World Health Organization, 1978.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.