APA (7th ed.) Zitazioa
Room, R., & Fielding, A. (2010). Cannabis policy: Moving beyond stalemate (First edition.). Beckley Foundation Press : : Oxford University Press.
Chicago Style (17th ed.) Zitazioa
Room, Robin, eta Amanda Fielding. Cannabis Policy: Moving Beyond Stalemate. First edition. New York: Beckley Foundation Press : : Oxford University Press, 2010.
MLA (9th ed.) Zitazioa
Room, Robin, eta Amanda Fielding. Cannabis Policy: Moving Beyond Stalemate. First edition. Beckley Foundation Press : : Oxford University Press, 2010.
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