LEWIS, N. (2011). 100 RUKES FOR ENTREPRENEURS.
Chicago-čujuhus (17. p.)LEWIS, NEIL. 100 RUKES FOR ENTREPRENEURS. MUMBAI, 2011.
MLA-čujuhus (9. p.)LEWIS, NEIL. 100 RUKES FOR ENTREPRENEURS. 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.