Allen, T. F. (2005). The encyclopedia of pure materia medica: A record of the positive effects of drugs upon the healthy human organism. B. Jain Pub..
Παραπομπή σε μορφή Chicago (17η εκδ.)Allen, Timothy Field. The Encyclopedia of Pure Materia Medica: A Record of the Positive Effects of Drugs upon the Healthy Human Organism. New Delhi: B. Jain Pub., 2005.
Παραπομπή σε μορφή MLA (9th εκδ.)Allen, Timothy Field. The Encyclopedia of Pure Materia Medica: A Record of the Positive Effects of Drugs upon the Healthy Human Organism. B. Jain Pub., 2005.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.