1. Melody Maker . 1966. ‘If the odds against having a hit are 10–1, what difference does a Beatle song make?’, 27 August, p. 8
2. Osborne R. 2015. ‘Community chest’, Pop Bothering Me. http://richardosbornevinyl.blogspot.co.uk/2015/09/community-chest.html
3. The popular music industry
4. Music Week . 2011. ‘The road to extension’, 16 September, p. 5