World Health Organization. Reproductive Health and Research. (2004). Beyond the numbers: Reviewing maternal deaths and complications to make pregnancy safer. Dept. of Reproductive Health and Research, World Health Organization.
芝加哥风格引文World Health Organization. Reproductive Health and Research. Beyond the Numbers: Reviewing Maternal Deaths and Complications to Make Pregnancy Safer. Geneva: Dept. of Reproductive Health and Research, World Health Organization, 2004.
MLA引文World Health Organization. Reproductive Health and Research. Beyond the Numbers: Reviewing Maternal Deaths and Complications to Make Pregnancy Safer. Dept. of Reproductive Health and Research, World Health Organization, 2004.
警告：这些引文格式不一定是100％准确.