FARKAS CHARLES. (1997). MAXIMUM LEADERSHIP 2000. ORION PUBLISHERS.
Chicago-čujuhus (17. p.)FARKAS CHARLES. MAXIMUM LEADERSHIP 2000. LONDON: ORION PUBLISHERS, 1997.
MLA-čujuhus (9. p.)FARKAS CHARLES. MAXIMUM LEADERSHIP 2000. ORION PUBLISHERS, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.