Howard, G. B. (2002). Healthy villages: A guide for communities and comunity health workers. World Health Organization.
芝加哥风格引文Howard, Guy Bogh. Healthy Villages: A Guide for Communities and Comunity Health Workers. Geneva: World Health Organization, 2002.
MLA引文Howard, Guy Bogh. Healthy Villages: A Guide for Communities and Comunity Health Workers. World Health Organization, 2002.
警告：这些引文格式不一定是100％准确.