ENGEL, H. (1990). HOW TO DELEGATE. JAICO PUB. HOUSE.
Chicago-čujuhus (17. p.)ENGEL, H.M. HOW TO DELEGATE. BOMBAY: JAICO PUB. HOUSE, 1990.
MLA-čujuhus (9. p.)ENGEL, H.M. HOW TO DELEGATE. JAICO PUB. HOUSE, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.