World Health Organization. (2009). Systems thinking for health systems strengthening. World Health Organization.
芝加哥风格引文World Health Organization. Systems Thinking for Health Systems Strengthening. Geneva: World Health Organization, 2009.
MLA引文World Health Organization. Systems Thinking for Health Systems Strengthening. World Health Organization, 2009.
警告：这些引文格式不一定是100％准确.