Asociatia Psihiatrilor Liberi din Romania (2003) - DSM-IV, Bucuresti
http://www.eva.ro/dietafitness/nutritie/cofeina-inofensiva-sau-nu-articol-15409.html
http://www.jyi.org/features/ft.php?id=1327
http://en.wikipedia.org/wiki/Psychoactive_drug
http://www.sfatulmedicului.ro/Alimentatia-sanatoasa/consumati-prea-multa-cofeinai-aflati-simptomele-abuzului_8527
http://stress.about.com/od/stresshealth/a/caffeine.htm
http://search.about.com/?q=caffeine
http://en.wikipedia.org/wiki/Caffeine
http://en.wikipedia.org/wiki/Coffee
http://en.wikipedia.org/wiki/Health_effects_of_coffee