Chopra, R. N., & Chopra, I. C. (1965). Drug addiction: With special reference to India (First edition.). Council of Scientific & Industrial Research.
Lua i Stíl Chicago (17ú heag.)Chopra, R. N., agus I. C. Chopra. Drug Addiction: With Special Reference to India. First edition. New Delhi: Council of Scientific & Industrial Research, 1965.
Lua MLA (8ú heag.)Chopra, R. N., agus I. C. Chopra. Drug Addiction: With Special Reference to India. First edition. Council of Scientific & Industrial Research, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.