source:
https://en.wikipedia.org/wiki/Belle_de_Jour_(writer)#cite_note-Telg9202285-5
http://www.dailymail.co.uk/femail/article-1228136/BELLE-DE-JOUR-UNMASKED-The-high-class-escort-girl-diary-sensation-research-student-PhD-Shocked-Not-boyfriend-deceived.html
http://www.dailymail.co.uk/femail/article-4765036/Brooke-Magnanti-reveals-used-sleep-rough.html
http://www.independent.co.uk/news/people/belle-
-jour-blog-dr-brooke-magnanti-escort-sex-work-a6917271.html
https://en.wikiquote.org/wiki/Secret_Diary_of_a_Call_Girl
https://www.theguardian.com/profile/belle-de-jour