Παραπομπή σε μορφή APA (7η εκδ.)

Chopra, R. N., & Chopra, I. C. (1965). Drug addiction: With special reference to India (First edition.). Council of Scientific & Industrial Research.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Chopra, R. N., και I. C. Chopra. Drug Addiction: With Special Reference to India. First edition. New Delhi: Council of Scientific & Industrial Research, 1965.

Παραπομπή σε μορφή MLA (8th εκδ.)

Chopra, R. N., και I. C. Chopra. Drug Addiction: With Special Reference to India. First edition. Council of Scientific & Industrial Research, 1965.