Holloway, S. W. F. The regulation of the supply of drugs in Britain before 1868: S. W. F. Holloway. Drugs and narcotics in history.(1996).
Lua i Stíl Chicago (17ú heag.)Holloway, S. W. F. "The Regulation of the Supply of Drugs in Britain Before 1868: S. W. F. Holloway." Drugs and Narcotics in History.(1996) .
Lua MLA (8ú heag.)Holloway, S. W. F. "The Regulation of the Supply of Drugs in Britain Before 1868: S. W. F. Holloway." Drugs and Narcotics in History.(1996), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.