"Waterlogged Spa". British Comedy Guide. Retrieved 29 February 2024.
doi.org
Potter, Simon J. (14 April 2022). This is the BBC: Entertaining the Nation, Speaking for Britain, 1922-2022. Oxford University Press. pp. 116–121, 148, 171–174. doi:10.1093/oso/9780192898524.001.0001. ISBN9780192898524.
Briggs, Asa (1979). Sound and Vision(PDF). The History of Broadcasting in the United Kingdom. Vol. IV. Oxford University Press. pp. 55–56, 61, 113, 543–545, 849. Retrieved 28 February 2024.