Engel, H. (2004). How to delegate: A guide to getting things done.
Chicago-čujuhus (17. p.)Engel, Herbert. How to Delegate: A Guide to Getting Things Done. Mumbai, 2004.
MLA-čujuhus (9. p.)Engel, Herbert. How to Delegate: A Guide to Getting Things Done. 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.