Ward, M. (1997). Fifty essential management techniques. Jaico.
Chicago-čujuhus (17. p.)Ward, Michael. Fifty Essential Management Techniques. Bombay: Jaico, 1997.
MLA-čujuhus (9. p.)Ward, Michael. Fifty Essential Management Techniques. Jaico, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.