Special Public Works Programmes. (1989). Tree nurseries: An illustrated technical guide and training and training manual. International Labour Office.
芝加哥风格引文Special Public Works Programmes. Tree Nurseries: An Illustrated Technical Guide and Training and Training Manual. Geneva: International Labour Office, 1989.
MLA引文Special Public Works Programmes. Tree Nurseries: An Illustrated Technical Guide and Training and Training Manual. International Labour Office, 1989.
警告：这些引文格式不一定是100％准确.