Football Yearbook 2008–2009. Sky Sports Football Yearbooks. London: HeadlinePublishingGroup. ISBN 978-0-7553-1820-9 White, John (2007). The United Miscellany
John, ed (2015). Sky Sports Football Yearbook 2015–2016. London: HeadlinePublishingGroup. pp. 94–95. ISBN 978-1-4722-2416-3 ^ “Rangers top-flight champions