Engel, H. (1983). How to delegate: A guide to getting things done. Jaico.
Chicago-čujuhus (17. p.)Engel, Herberl. How to Delegate: A Guide to Getting Things Done. Bombay: Jaico, 1983.
MLA-čujuhus (9. p.)Engel, Herberl. How to Delegate: A Guide to Getting Things Done. Jaico, 1983.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.