Goh, D. (1997). Step into the future with nothing: Achievment through self- motivation. Sterling.
Chicago-čujuhus (17. p.)Goh, David. Step into the Future with Nothing: Achievment Through Self- Motivation. New Delhi: Sterling, 1997.
MLA-čujuhus (9. p.)Goh, David. Step into the Future with Nothing: Achievment Through Self- Motivation. Sterling, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.