APA aipamena

Goh, D. (1997). Step into the future with nothing: Achievment through self- motivation. Sterling.

Chicago Style aipamena

Goh, David. Step into the Future with Nothing: Achievment Through Self- Motivation. New Delhi: Sterling, 1997.

MLA aipamena

Goh, David. Step into the Future with Nothing: Achievment Through Self- Motivation. Sterling, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.