World Health Organization. (1988). Weaning from breast milk to family food: A guide for health and community workers. World Health Organization ; WHO Publications Center USA (distributor).
芝加哥风格引文World Health Organization. Weaning from Breast Milk to Family Food: A Guide for Health and Community Workers. Geneva : Albany, NY: World Health Organization ; WHO Publications Center USA (distributor), 1988.
MLA引文World Health Organization. Weaning from Breast Milk to Family Food: A Guide for Health and Community Workers. World Health Organization ; WHO Publications Center USA (distributor), 1988.
警告：这些引文格式不一定是100％准确.