World Health Organization. (1997). Biotechnology and world health: Risks and benefits of vaccines and other medical products produced by genetic engineering. World Health Organization.
芝加哥风格引文World Health Organization. Biotechnology and World Health: Risks and Benefits of Vaccines and Other Medical Products Produced by Genetic Engineering. Geneva: World Health Organization, 1997.
MLA引文World Health Organization. Biotechnology and World Health: Risks and Benefits of Vaccines and Other Medical Products Produced by Genetic Engineering. World Health Organization, 1997.
警告：这些引文格式不一定是100％准确.