APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, & Kandel, D. B. (2002). Stages and pathways of drug involvement: Examining the gateway hypothesis. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Denise B. Kandel. Stages and Pathways of Drug Involvement: Examining the Gateway Hypothesis. Cambridge, UK ; New York: Cambridge University Press, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, और Denise B. Kandel. Stages and Pathways of Drug Involvement: Examining the Gateway Hypothesis. Cambridge University Press, 2002.
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