Tham khảo Roly Horrey

  1. 1 2 3 4 Hugman, Barry J. biên tập (2005). The PFA Premier & Football League Players' Records 1946–2005. Harpenden: Queen Anne Press. tr. 300. ISBN 978-1-85291-665-7.
  2. 1 2 Jarred, Martin; Windross, Dave (1997). Citizens and Minstermen, A Who's Who of York City FC 1922–1997. Selby: Citizen Publications. tr. 49. ISBN 978-0-9531005-0-7.