Não informado. (1988). Technical information bulletin on drug abuse. National Drug Abuse Information Centre.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Technical Information Bulletin on Drug Abuse. Canberra: National Drug Abuse Information Centre, 1988.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Technical Information Bulletin on Drug Abuse. National Drug Abuse Information Centre, 1988.
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