APA
Jain S., Singh S., Jain S. & Jain S. (2003). O level made simple computercourse. New Delhi: BPB Publications.
Chicago
Jain Satish, Singh Shashi, Jain Shashank and Jain Satish. 2003. O level made simple computercourse. New Delhi: BPB Publications.
Harvard
Jain S., Singh S., Jain S. and Jain S. (2003). O level made simple computercourse. New Delhi: BPB Publications.
MLA
Jain Satish, Singh Shashi, Jain Shashank and Jain Satish. O level made simple computercourse. New Delhi: BPB Publications. 2003.