Carole Cadwalladr, Mark Gatiss: ‘Doctor Who is my first love, my last, my everything’, The Guardian, 1 May 2015.
בדיקה אחרונה ב-17 באפריל 2014.  Carole Cadwalladr, Mark Gatiss: ‘Doctor Who is my first love, my last, my everything’, The Guardian, 1 May 2015.