Rootman, I. (1980). Drug-abuse reporting systems. World Health Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRootman, I. Drug-abuse Reporting Systems. Geneva: World Health Organization, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRootman, I. Drug-abuse Reporting Systems. World Health Organization, 1980.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.