APA
(2002). Guide to Bharat Sanchar Nigam Limited Junior Telecom Officers 2002. New Delhi: G.K Publication.
Chicago
2002. Guide to Bharat Sanchar Nigam Limited Junior Telecom Officers 2002. New Delhi: G.K Publication.
Harvard
(2002). Guide to Bharat Sanchar Nigam Limited Junior Telecom Officers 2002. New Delhi: G.K Publication.
MLA
Guide to Bharat Sanchar Nigam Limited Junior Telecom Officers 2002. New Delhi: G.K Publication. 2002.