APA
Kalra R. M., . (1997). Drug addiction in schools. New Delhi: Vikas publication.
Chicago
Kalra R M, . 1997. Drug addiction in schools. New Delhi: Vikas publication.
Harvard
Kalra R. M., . (1997). Drug addiction in schools. New Delhi: Vikas publication.
MLA
Kalra R M, . Drug addiction in schools. New Delhi: Vikas publication. 1997.
