Ernst E (August 2010). "Bach flower remedies: a systematic review of randomised clinical trials". Swiss Medical Weekly. 140: w13079. doi:10.4414/smw.2010.13079. PMID20734279.
Walach H, Rilling C, Engelke U (2001). "Efficacy of Bach-flower remedies in test anxiety: a double-blind, placebo-controlled, randomized trial with partial crossover". Journal of Anxiety Disorders. 15 (4): 359–66. doi:10.1016/S0887-6185(01)00069-X. PMID11474820.
Pintov S, Hochman M, Livne A, Heyman E, Lahat E (2005). "Bach flower remedies used for attention deficit hyperactivity disorder in children—a prospective double blind controlled study". European Journal of Paediatric Neurology. 9 (6): 395–8. doi:10.1016/j.ejpn.2005.08.001. PMID16257245.
"Gentiana Tourn. ex L". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2017. Diakses tanggal 6 July 2020.
nih.gov
ncbi.nlm.nih.gov
Ernst E (August 2010). "Bach flower remedies: a systematic review of randomised clinical trials". Swiss Medical Weekly. 140: w13079. doi:10.4414/smw.2010.13079. PMID20734279.
Walach H, Rilling C, Engelke U (2001). "Efficacy of Bach-flower remedies in test anxiety: a double-blind, placebo-controlled, randomized trial with partial crossover". Journal of Anxiety Disorders. 15 (4): 359–66. doi:10.1016/S0887-6185(01)00069-X. PMID11474820.
Pintov S, Hochman M, Livne A, Heyman E, Lahat E (2005). "Bach flower remedies used for attention deficit hyperactivity disorder in children—a prospective double blind controlled study". European Journal of Paediatric Neurology. 9 (6): 395–8. doi:10.1016/j.ejpn.2005.08.001. PMID16257245.