APA引文

World Health Organization. (1999). Reduction of maternal mortality. World health Organization.

Chicago Style (17th ed.) Citation

World Health Organization. Reduction of Maternal Mortality. Geneva: World health Organization, 1999.

MLA引文

World Health Organization. Reduction of Maternal Mortality. World health Organization, 1999.

警告：這些引文格式不一定是100％准確.