Tyssen, T. (1994). The first time Manager. Lancer.
Chicago-čujuhus (17. p.)Tyssen, Theodore. The First Time Manager. New delhi: Lancer, 1994.
MLA-čujuhus (9. p.)Tyssen, Theodore. The First Time Manager. Lancer, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.