| cita = El verí no és dolent, només és una qüestió de quantitat.
| refs = <ref>{{ref-web|cognom=Nelson|nom=Sara C|url=http://www.huffingtonpost.co.uk/2014/03/12/keith-richards-childrens-book-author-11-alarmingly-inappropriate-quotes-rolling-stones-hellraiser_n_4946970.html|consulta=25 agost 2014|títol=Keith Richards The Children's Book Author? 11 Gloriously Inappropriate Quotes From The Rolling Stones Hellraiser|obra=The Huffington Post UK|data=12 de [[març]] de 2014|arxiuurl=https://web.archive.org/web/20160305142123/http://www.huffingtonpost.co.uk/2014/03/12/keith-richards-childrens-book-author-11-alarmingly-inappropriate-quotes-rolling-stones-hellraiser_n_4946970.html|arxiudata=1457187683}}</ref>
