ÖZBEK, L. 2003. Yeniden Pi. Pivolka , vol.2, no.5 , 8-11.

ÖZBEK, L., (2003). Yeniden Pi. Pivolka , vol.2, no.5, 8-11.

ÖZBEK, LEVENT. "Yeniden Pi," Pivolka , vol.2, no.5, 8-11, 2003

ÖZBEK, LEVENT. "Yeniden Pi." Pivolka , vol.2, no.5, pp.8-11, 2003

ÖZBEK, L. (2003) . "Yeniden Pi." Pivolka , vol.2, no.5, pp.8-11.

@article{article, author={LEVENT ÖZBEK}, title={Yeniden Pi}, journal={Pivolka}, year=2003, pages={8-11} }