Gaya APA

Sharma, A., , . (2005). Text book of 3-D: co-ordinate systems and straight lines . New Delhi: New Delhi: DPH, 2005.

Gaya MLA

Sharma, A.K., , . "Text book of 3-D: co-ordinate systems and straight lines". New Delhi: New Delhi: DPH, 2005, 2005. Text.