World Health Organization. (2007). Extremely low frequency fields (Primera edición.). Editorial World Health Organization.
芝加哥风格引文World Health Organization. Extremely Low Frequency Fields. Primera edición. Geneva: Editorial World Health Organization, 2007.
MLA引文World Health Organization. Extremely Low Frequency Fields. Primera edición. Editorial World Health Organization, 2007.
警告：这些引文格式不一定是100％准确.