Alan Hawkshaw: Grange Hill and Countdown composer dies aged 84 [online]. 16 October 2021. Dostupné online.
eminetra.co.nz
TV composer who wrote the theme song for Grange Hill and Countdown dies at the age of 84 [online]. [Cit. 2021-10-17]. Dostupné online. Archivované 2021-10-16 z originálu.
web.archive.org
TV composer who wrote the theme song for Grange Hill and Countdown dies at the age of 84 [online]. [Cit. 2021-10-17]. Dostupné online. Archivované 2021-10-16 z originálu.