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Lua i Stíl Chicago (17ú heag.)Maehle, Andreas-Holger. "Pharmacological Experimentation with Opium in the Eighteenth Century: Andreas-Holger Maehle." Drugs and Narcotics in History.(1996) .
Lua MLA (8ú heag.)Maehle, Andreas-Holger. "Pharmacological Experimentation with Opium in the Eighteenth Century: Andreas-Holger Maehle." Drugs and Narcotics in History.(1996), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.