Rujukan Drug psikedelik

  1. ↑ Nichols, David (April 2016). "Psychedelics". Pharmacological Reviews. 68 (2): 264. Dicapai 10 November 2017. 
  2. ↑ Krebs TS, Johansen PØ (28 March 2013). "Over 30 million psychedelic users in the United States". F1000Research. 2. doi:10.12688/f1000research.2-98.v1. ISSN 2046-1402. PMC 3917651 . PMID 24627778. 
  3. ↑ Garcia-Romeu A, Kersgaard B, Addy PH (August 2016). "Clinical applications of hallucinogens: A review". Experimental and Clinical Psychopharmacology. 24 (4): 229–268. doi:10.1037/pha0000084. ISSN 1936-2293. PMC 5001686 . PMID 27454674. 
  4. ↑ "Peyote San Pedro Cactus – Shamanic Sacraments". D.M.Taylor.