Engel, H. (1983). How to delegate: A guide to getting things done. Jaico.
芝加哥风格引文Engel, Herberl. How to Delegate: A Guide to Getting Things Done. Bombay: Jaico, 1983.
MLA引文Engel, Herberl. How to Delegate: A Guide to Getting Things Done. Jaico, 1983.
警告：这些引文格式不一定是100％准确.