World Health Organization. (2009). Systems thinking for health systems strengthening. World health Organization.
Цитирование в стиле Чикаго (17-е изд.)World Health Organization. Systems Thinking for Health Systems Strengthening. Geneva: World health Organization, 2009.
Цитирование MLA (8-е изд.)World Health Organization. Systems Thinking for Health Systems Strengthening. World health Organization, 2009.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.