APA
(2000). Study package for NTSE. New Delhi: Tata Mc Graw Hill.
Chicago
2000. Study package for NTSE. New Delhi: Tata Mc Graw Hill.
Harvard
(2000). Study package for NTSE. New Delhi: Tata Mc Graw Hill.
MLA
Study package for NTSE. New Delhi: Tata Mc Graw Hill. 2000.