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.